Operation and maintenance
[化] 使用和维护
🧩 词语组成解析
and
[ənd, ən,ænd]
conj. 和，与;而且;于是，然后;因此;
🗣️ 情景例句
Do you have anything to snack on?
有什么可吃的吗？
No. You should have taken the Yellow Line bus. You can get one at the next stop.
不是。你该乘黄线车才是。到下一站你可以搭上。
In the nineteenth century, a novelist would bring his story to a conclusion by presenting his readers with a series of coincidences -- most of them wildly improbable.
在19世纪，小说家常在小说结尾处给读者准备一系列的巧合——大部分是牵强附会，极不可能的。