Ectomesenchyme
外胚层间(充)质
🗣️ 情景例句
Zip it!
闭嘴！
Insecticides destroy many harmful bugs.
杀虫剂能驱除许多害虫。
Yes, it's Bob here. Can you ask him to call me back?
可以，我是鲍勃。你能请他给我回个电话吗？