Concavoconcave
[医] 对凹的, 双凹的
🗣️ 情景例句
Millie, did you bring the tapes for dancing?
Millie，带来了跳舞的录音带吗？
What time did you use to get up last year?
你去年时常什么时间起床？
I have something to tell you.
我有事要告诉你。