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单词 sperm cells
释义
sperm cells
It takes 72 days for human sperm cells to mature.
The Sun (2011)
The cells also produced proteins which are specific to sperm cells.
Times, Sunday Times (2009)
Doctors have frozen sperm stem cells from a three-month-old baby so that he can father children when he is older.
Times, Sunday Times (2009)
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更新时间:2025/1/11 9:26:03