Convexoconcave
[医] 凸凹的
🗣️ 情景例句
Is that you, Susan?
是你吗， Susan？
It is a long lane that has no turning.
路必有弯。
'Certainly,' the girl said, 'but they're for next Wednesday's performance.
“当然可以，不过这两张票是下星期三的，