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
Look, this way. Yes, that's right. Now let's try some of this chicken.
请看，这样。对，完全正确。来吃点鸡肉。
The old lady takes delight in visits from her grandchildren.
那个老妇人以孙辈门看她来为乐。
I had an amusing experience last year.
去年我有过一次有趣的经历。