Spermatogone
[医] 精原细胞
🗣️ 情景例句
A baby gets used to voices.
婴儿习惯各种声音。
The walls are three inches thick.
这墙3英寸厚。
its action depends on the surface, water or ground, over which it rides.
它的飞行取决于它所悬浮的水面或地面。