Embryoblast
[医] 成胚区
🗣️ 情景例句
Now what?
又怎么了？
At bedtime, I take off my clothes and put on my pajamas.
在上床时间，我脱掉衣服并且穿上我的睡衣。
Yes. It sounded like a train that was going under my house.
是的。这响声听起来像是一列火车在从我的房子下面驶过。