Convexoconcave
[医] 凸凹的
🗣️ 情景例句
And then, two years ago, my wife died.
接着， 两年前我妻子去世了。
Excuse me, can you alter this jacket for me?
请原谅，你能替我修改这件短上衣吗？
Excuse me!
打扰一下。