Mesenchyma
n. [生]间叶细胞
🔁 扩展释义
【医】 间[充]质
🗣️ 情景例句
Right.
好的。
You are still thinking about a Ph.D., aren't you?
你还是想学成博士，是吗？
Imagine a pen attached to the weight in such a way that its point rests upon a piece of paper on the floor.
假定把一支笔拴在重物上，笔尖落在地板上的一张纸上，