Concaveness
n. 凹面, 成凹形
✅ 同义词
🗣️ 情景例句
Are you hitting on me?
你想调戏我吗？
The roofer is patching the roof with metal.
屋面防水工在用铁皮修补屋顶。
No necessity of making a living away from home results in neglect of children,
人们没有必要离家谋生，所以不会产生孩子无人管的问题，