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单词
foot-poundal
释义
foot-pound·al
(f
t
poun
dl)
n.
A unit of work equal to the work done by a force of one poundal acting through a distance of one foot in the direction of the force.
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oppugn
oppugner
Oprah
OPS
opsin
-opsis
opsonic
opsonin
opsonization
opsonize
-opsy
opt
opt.
optative
optatively
optic
optical
optical activity
optical amplifier
optical art
optical character reader
optical character recognition
optical computer
optical disc
optical disk
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更新时间:2026/2/24 9:03:32