Concaves
(concave 的复数) a. 凹的\\n[医] 凹的, 凹面的
🗣️ 情景例句
You've come up with a good idea.
你想出来的主意好极了。
What's your nationality?I'm a native Australian.
我是土生土长的澳大利亚人，你的国籍是什么？
I realized sadly that I had been completely defeated by their ingenuity.
我懊丧地感到败在了足智多谋的蚂蚁的手下。