Spermatogenesis
n. 精子发生\\n[医] 精子发生
🗣️ 情景例句
I'm leaving for Beijing on a four-day tour.
我马上要去北京旅游4天。
Who are you writing to?
你正在写信给谁？
Though it may be possible to measure the value of material good in terms of money,
虽然物质产品的价值可以用金钱来衡量，