Maintenance definition
[计] 维护定义, 维护确定, 维护规定
🧩 词语组成解析
🗣️ 情景例句
I take this threat very seriously.
我认为这种威胁非同小可。
To mention the wolf's name is to see the same.
说到曹操，曹操就到。
The grass is moist early in the morning.
清晨的草地湿漉漉的。