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
I hope this will lead to further business between us.
我希望这次交易将使我们之间的贸易能得到进一步发展。
Certainly. Ask whatever you like.
当然，你什么都可以问。
At nineteen minutes past eight.
8点19分。