Arbitrary constant
[计] 任意常数
🧩 词语组成解析
🗣️ 情景例句
And, oh, does anybody want ketchup?
噢，有人要蕃茄酱吗？
We never know the worth of water till the well is dry.
井干方知水可贵。
He found it very difficult to get to sleep and he was rather angry with the man upstairs.
他觉得这样很难入睡， 他对楼上的人相当生气。