Efficiency of boiler
[机] 锅炉效率
🧩 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
and I guess he looks a lot like me.
我看也蛮像我。
You ought to have that coat cleaned and pressed.
你应该把那件大衣清洗并且压一下。
Well, just a little please.
好吧，就来一些吧。