Category of machine
[计] 机器范畴
🧩 词语组成解析
of
[əv]
prep. 关于;属于…的;由…制成;
aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气];
🗣️ 情景例句
It took years of hard work.
那需要多年辛苦工作。
I enjoy your company.
我喜欢有你做伴。
My plane leaves at seven, so I think we'll take a taxi.
飞机7:00起飞，因此我想我们得乘出租车去。