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单词
rotational flow
释义
rotational flow
rotational flow
[
rō′tā·shən·əl ′flō
]
(fluid mechanics)
Flow of a fluid in which the curl of the fluid velocity is not zero, so that each minute particle of fluid rotates about its own axis. Also known as rotational motion.
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be a shadow of (someone or something's) former self
be a shadow of someone's former self
be a shadow of something's former self
be a shadow of their former self
be a shadow of your former self
be as happy a clam at high tide
be as happy as a clam
be (as) happy as a clam (at high tide)
be as happy as a clam at high tide
be as happy as a sandboy
be as happy as larry
be as happy as larry sandboy
be (as) hard as nails
be as hard as nails
be as high as a kite
be a shining example
be a shining example (of someone or something)
be a shining example of something
be as honest as the day
be as honest as the day is long
be a shoo-in
be a sight for sore eyes
be a sign of the times
be as interesting as watching grass grow
be as interesting as watching paint dry
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更新时间:2026/3/1 20:03:08