Mesentoderm
[医] 中内胚层
🗣️ 情景例句
Remember to lock your door and windows when you leave the house.
出门前记得锁好门窗。
I'd like to express my gratitude to you for your advice.
对于你的忠告，我想表示感谢之意。
It's nothing serious.You'd better have a good rest.
（病情）不太严重。你最好好好休息一下。