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单词
acrosin
释义
acrosin
[`ak·rǝ·sin]
BIOCHEMISTRY
A proteolytic enzyme located in the acrosome of a spermatozoon; thought to be involved in penetration of the egg.
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journaling
journal oil
JOVIAL
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Jovian Van Allen belts
Joy double-ended miner
Joy extensible conveyor
Joy extensible steel band
Joy loader
Joy longwall loading machine
Joy microdyne
Joy miner
joystick
Joy-Sullivan hydrodrill rig
Joy transloader
Joy walking miner
JP-4
JP-5
J particle
jpd
J scan
J scope
J-shaped distribution
judgment sample
Judson powder
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