Concaves
(concave 的复数) a. 凹的\\n[医] 凹的, 凹面的
🗣️ 情景例句
She worried constantly.
她经常烦恼。
No, I'd rather not watch television tonight.
不，今晚我不愿看电视。
When could you make a delivery?
你们什么时候可以交货啊？