Concavoconcave
[医] 对凹的, 双凹的
🗣️ 情景例句
Many people take tables or capsules to try and stay healthy.
许多人靠服药或胶囊保持健康。
OK. Your plans are always successful.
OK，你的计划常常无往不利！
Hello. Here's your eraser. Thanks very much!
给你橡皮。谢谢。