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
Well, how do you like it so far?
好了， 到现在为止， 你们感觉怎么样？
The creditor has always a better memory than the detor.
放债人的记性比借债人好。
Let me see your driver's license, please.
请让我看看你的驾驶执照。