英文字典中文字典


英文字典中文字典51ZiDian.com



中文字典辞典   英文字典 a   b   c   d   e   f   g   h   i   j   k   l   m   n   o   p   q   r   s   t   u   v   w   x   y   z       







请输入英文单字,中文词皆可:

LED    音标拼音: [l'ɛd]
vbl. lead的过去式和过去分词

lead的过去式和过去分词

led
发光二极体

led
发光二极体

LED
n 1: diode such that light emitted at a p-n junction is
proportional to the bias current; color depends on the
material used [synonym: {light-emitting diode}, {LED}]

Lead \Lead\ (l[=e]d), v. t. [imp. & p. p. {Led} (l[e^]d); p. pr.
& vb. n. {Leading}.] [OE. leden, AS. l[=ae]dan (akin to OS.
l[=e]dian, D. leiden, G. leiten, Icel. le[imac][eth]a, Sw.
leda, Dan. lede), properly a causative fr. AS. li[eth]an to
go; akin to OHG. l[imac]dan, Icel. l[imac][eth]a, Goth.
lei[thorn]an (in comp.). Cf. {Lode}, {Loath}.]
1. To guide or conduct with the hand, or by means of some
physical contact or connection; as, a father leads a
child; a jockey leads a horse with a halter; a dog leads a
blind man.
[1913 Webster]

If a blind man lead a blind man, both fall down in
the ditch. --Wyclif
(Matt. xv.
14.)
[1913 Webster]

They thrust him out of the city, and led him unto
the brow of the hill. --Luke iv. 29.
[1913 Webster]

In thy right hand lead with thee
The mountain nymph, sweet Liberty. --Milton.
[1913 Webster]

2. To guide or conduct in a certain course, or to a certain
place or end, by making the way known; to show the way,
esp. by going with or going in advance of. Hence,
figuratively: To direct; to counsel; to instruct; as, to
lead a traveler; to lead a pupil.
[1913 Webster]

The Lord went before them by day in a pillar of a
cloud, to lead them the way. --Ex. xiii.
21.
[1913 Webster]

He leadeth me beside the still waters. --Ps. xxiii.
2.
[1913 Webster]

This thought might lead me through the world's vain
mask.
Content, though blind, had I no better guide.
--Milton.
[1913 Webster]

3. To conduct or direct with authority; to have direction or
charge of; as, to lead an army, an exploring party, or a
search; to lead a political party.
[1913 Webster]

Christ took not upon him flesh and blood that he
might conquer and rule nations, lead armies, or
possess places. --South.
[1913 Webster]

4. To go or to be in advance of; to precede; hence, to be
foremost or chief among; as, the big sloop led the fleet
of yachts; the Guards led the attack; Demosthenes leads
the orators of all ages.
[1913 Webster]

As Hesperus, that leads the sun his way. --Fairfax.
[1913 Webster]

And lo ! Ben Adhem's name led all the rest. --Leigh
Hunt.
[1913 Webster]

5. To draw or direct by influence, whether good or bad; to
prevail on; to induce; to entice; to allure; as, to lead
one to espouse a righteous cause.
[1913 Webster]

He was driven by the necessities of the times, more
than led by his own disposition, to any rigor of
actions. --Eikon
Basilike.
[1913 Webster]

Silly women, laden with sins, led away by divers
lusts. --2 Tim. iii.
6 (Rev. Ver.).
[1913 Webster]

6. To guide or conduct one's self in, through, or along (a
certain course); hence, to proceed in the way of; to
follow the path or course of; to pass; to spend. Also, to
cause (one) to proceed or follow in (a certain course).
[1913 Webster]

That we may lead a quiet and peaceable life. --1
Tim. ii. 2.
[1913 Webster]

Nor thou with shadowed hint confuse
A life that leads melodious days. --Tennyson.
[1913 Webster]

You remember . . . the life he used to lead his wife
and daughter. --Dickens.
[1913 Webster]

7. (Cards & Dominoes) To begin a game, round, or trick, with;
as, to lead trumps; the double five was led.
[1913 Webster]

{To lead astray}, to guide in a wrong way, or into error; to
seduce from truth or rectitude.

{To lead captive}, to carry or bring into captivity.

{To lead the way}, to show the way by going in front; to act
as guide. --Goldsmith.
[1913 Webster]


Led \Led\ (l[e^]d), imp. & p. p.
of {Lead}.
[1913 Webster]

{Led captain}. An obsequious follower or attendant. [Obs.]
--Swift.

{Led horse}, a sumpter horse, or a spare horse, that is led
along.
[1913 Webster] Leden



安装中文字典英文字典查询工具!


中文字典英文字典工具:
选择颜色:
输入中英文单字

































































英文字典中文字典相关资料:


  • Light-emitting diode - Wikipedia
    A light-emitting diode (LED) is an electronic component that uses a semiconductor to emit light when current flows through it Electrons in the semiconductor recombine with electron holes, thereby releasing energy in the form of photons
  • LED Definition Meaning - Merriam-Webster
    The correct past and past participle of lead is spelled led If you aren’t sure whether to use led or lead as the verb in your sentence, try reading it aloud to yourself
  • Light Emitting Diode (LED): Principle, Advantages, and Uses
    A light-emitting diode (LED) is a small electronic device that emits light when an electric current flows through it LED works by passing electricity through a semiconductor, which releases energy in the form of light
  • LED | Definition, Light, Facts | Britannica
    An LED (light-emitting diode) is a semiconductor device that emits infrared or visible light when charged with an electric current
  • What is LED Lighting: Definition, Working Principle and Components
    Unlike traditional incandescent bulbs or fluorescent lamps, an LED is a semiconductor device that emits light when electrical current passes through it in the forward direction
  • Learn About LED Lighting - ENERGY STAR
    LED stands for light emitting diode LED lighting products produce light up to 90% more efficiently than incandescent light bulbs How do they work? An electrical current passes through a microchip, which illuminates the tiny light sources we call LEDs and the result is visible light
  • What Are LED Lights? Working, Types, Benefits Applications
    Learn what LED lights are, how they work, their types, benefits, and applications Learn about energy savings, lifespan, color quality, and why LEDs are better than incandescent, fluorescent, and halogen bulbs
  • What Is LED and How Does It Work? - vipled. com
    What Does LED Stand For? LED stands for Light Emitting Diode It is a semiconductor device that emits light when electricity flows through it Unlike traditional bulbs that use heat to create light, LEDs emit light directly from the movement of electrons
  • What is an LED? Complete Guide to LED Technology
    LEDs are classified as low-power, mid-power, or high-power devices Multiple LEDs must be combined to achieve the desired light output levels This compact size enables flexible LED combinations and versatile lighting designs
  • Introduction to LEDs - Lighting Design Lab
    LEDs offer benefits such as small size, long lamp life, low heat output, energy savings and durability They also allow extraordinary design flexibility in color changing, dimming and distribution by combining these small units into desired shapes, colors, sizes and lumen packages LEDs are solid state semiconductor devices





中文字典-英文字典  2005-2009