Apporximation function
[电] 近似函数
🧩 词语组成解析
🗣️ 情景例句
When I say something, I mean it.
我说的一定会兑现。
Excuse me, but could you give me some change?
劳驾，你能换些零钱给我吗？
In despair, I asked her whether she was enjoying her dinner.
失望之中我问她饭是否吃得满意。