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drowse    
n. 瞌睡
vi. 打瞌睡
vt. 使瞌睡

瞌睡打瞌睡使瞌睡

drowse
n 1: a light fitful sleep [synonym: {doze}, {drowse}]
v 1: sleep lightly or for a short period of time [synonym: {snooze},
{drowse}, {doze}]
2: be on the verge of sleeping; "The students were drowsing in
the 8 AM class"

Drowse \Drowse\, v. t.
To make heavy with sleepiness or imperfect sleep; to make
dull or stupid. --Milton.
[1913 Webster]


Drowse \Drowse\, n.
A slight or imperfect sleep; a doze.
[1913 Webster]

But smiled on in a drowse of ecstasy. --Mrs.
Browning.
[1913 Webster]


Drowse \Drowse\ (drouz), v. i. [imp. & p. p. {Drowsed} (drouzd);
p. pr. & vb. n. {Drowsing}.] [AS. dr[=u]sian, dr[=u]san, to
sink, become slow or inactive; cf. OD. droosen to be sleepy,
fall asleep, LG. dr[=u]sen, druusken, to slumber, fall down
with a noise; prob, akin to AS. dre['o]san to fall. See
{Dreary}.]
To sleep imperfectly or unsoundly; to slumber; to be heavy
with sleepiness; to doze. "He drowsed upon his couch."
--South.
[1913 Webster]

In the pool drowsed the cattle up to their knees.
--Lowell.
[1913 Webster]


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  • Calculating average velocity or speed - Khan Academy
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    Acceleration (a) is the change in velocity (Δv) over the change in time (Δt), represented by the equation a = Δv Δt This allows you to measure how fast velocity changes in meters per second squared (m s^2) Acceleration is also a vector quantity, so it includes both magnitude and direction





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