Concavation
凹度
🗣️ 情景例句
Sure.
当然可以。
He that has no children knows not what is love.
没有孩子的人，不懂什么叫爱。
She likes bread and milk a little, but she doesn't like eggs at all.
她吃点面包，喝些牛奶还行，但是不喜欢吃鸡蛋。