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
Her will to live enabled her to recover.
她求生的欲望使她得以复原。
We can't recall how long it's been.
我们记不起来经历了多久了。
climbed up the dunes, and sat down on a road.
爬上沙丘，最后停在路上。