名词
中文翻译：Unknown
同义词：
['spermaceous', 'spermatic', 'spermatid']
例句：
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1. The spermaceous membrane is a protective layer around the sperm cells.
精子膜是精子细胞周围的保护层。
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2. The spermatids are the developing sperm cells.
精子细胞正在发育。
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3. The spermaceous membrane is responsible for protecting the sperm cells during fertilization.
精子膜在受精过程中负责保护精子细胞。