Ectochorion
外绒(毛)膜
🗣️ 情景例句
Let's go have some Michigan burgers and fries.
我们点密歇根汉堡和薯条吧。
I know the boy whose father is a medical doctor.
我知道那个男孩的父亲是医师。
I'm going to put it here,in front of the window.
我准备把它入在这儿，放在窗前。