名词
中文翻译：活动精子
同义词：
['motility', 'motile spermatozoon例句：1. The study found that the percentage of motile spermatozoa in the semen was significantly higher than normal.（研究发现，精液中活动精子的比例远高于正常水平。）']
例句：
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1. The study found that the percentage of motile spermatozoa in the semen was significantly higher than normal.
研究发现，精液中活动精子的比例远高于正常水平。
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2. Motile spermatozoa play a crucial role in fertilization.
活动精子在受精过程中起着至关重要的作用。
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3. In some cases, the percentage of motile spermatozoa may be low due to factors such as stress orage.
在某些情况下，由于压力或年龄等因素，活动精子的比例可能会较低。