Embryonin
胚素
🗣️ 情景例句
We haven't had any complaint of this kind. Is there any evidence.
我们还从未听过这样的抱怨。有什么证据呢？
All time is no time when it is past.
光阴一去不复返。
That's OK. Can I borrow it, please?
没关系，我能借用一下吗？