Ectochorion
外绒(毛)膜
🗣️ 情景例句
Pardon me, what's the time by your watch?
对不起，你知道现在几点吗？
A great ship asks deep water.
巨轮寻深水而航行。
He was just falling asleep when there was a loud knock at the door.
他刚要入睡，就有人很响地敲门。