Concaveness
n. 凹面, 成凹形
✅ 同义词
🗣️ 情景例句
I would like to make a suggestion.
我想提个建议。
Some students quit school due to poverty.
一些学生因贫困而辍学。
In times of peace, when business was bad, Hawkwood and his men would march into a city-state and, after burning down a few farms, would offer to go away protection money was paid to them.
和平时期，当生意萧条时，霍克伍德便带领士兵进入某个城邦，纵火烧毁一两个农场，然后提出，如向他们缴纳保护金，他们便主动撤离。