Concavities
n. 凹面, 成凹形( concavity的名词复数 )
🗣️ 情景例句
Having some dinner?
吃点晚餐？
Knavery may serve, but honestyis best.
欺诈可能得计，但诚实总是上策。
At first she decided to go to the police,
一开始拉姆齐太太打算报告警察，