Concavities
n. 凹面, 成凹形( concavity的名词复数 )
🗣️ 情景例句
Richard! Welcome! Good luck tonight! Richard
欢迎 祝你今天晚上好运
What the eye sees not, the heart craves not.
目不瞬，心不乱。
When my old friend Brian urged me to accept a cigarette, it was more than I could bear.
当我的老朋友布赖恩极力劝我接受一枝香烟时，我再也忍不住了。