Convexoconcave
[医] 凸凹的
🗣️ 情景例句
Well, when you called,
嗯， 你们打电话来时，
Please speak a litter louder.
请大声一点。
Would you like to see the factory, I'd like to show you around.
你想参观一下工厂吗？我可以领你四处看看。