Chorionic
[医] 绒[毛]膜的
🗣️ 情景例句
No, no.
不 不。
I haven't heard from him for a long time.
我很久没有收到他的信了。
We'll have to buy some more bricks. I don't think these will be enough.
我们需要买更多的砖。我认为这些不够。