Ectosac
[医] 外膜, 外囊(卵)
🗣️ 情景例句
You may use a first name if you are asked to (call me …).
如果你得到允许的话，你便可以直呼某人的名字。
It's worth seeing.
它绝对值得一看。
I'm not really interested in fishing.
我并不是真的对钓鱼有兴趣，