Invaginations
(invagination 的复数) n. 入鞘, 凹入, 反折, 反折处, 凹入部分, 肠套叠\\n[医] 折入, 凹入, 内陷, 套迭
🗣️ 情景例句
What currency do they use in U.S.A.?
在美国人们用什么货币？
I was so angry that I could hardly speak.
我气得几乎说不出话来。
Yes, you're right.
对，你说得对。