Backward difference operator
[计] 后向差分算子
🧩 词语组成解析
🗣️ 情景例句
A workaholic is a person who works too much.
工作狂就是一个工作过量的人。
I'm sick and tired of having to take care of your brother just because he refuses to go out and find a job.
只是因为你弟弟不肯出去找工作就得我来照顾他，这真让我烦透了。
In fact they grow better if you feed them.
事实上，要是你给它们浇水施肥，它们会长得更好。