Spermiogonium
[医] 精原细胞
🗣️ 情景例句
who spent the last five years
用过去五年的时间
He wants to work for a while before he returns to college.
他希望返回学校之前暂时工作一段。
Lucy and I go to school six days a week.
鲁茜和我每周上六天课。