Mesendoderm
[医] 中内胚层
🗣️ 情景例句
I've got to call a caterer.
我应该给宴会承办者打一个电话。
Grasp the thistle firmly.
毅然处理困难局面。
Just a minute, please. I'm sorry, he's not here right now. Can I ask who's calling?
请稍等。对不起，他现在不在这儿。请问你是哪位？