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 knew you'd realize
我知道你会体会到
Plants of learning must be watered with the rain of tears.
知识的幼苗要用泪雨来浇灌。
I'm full.
我饱了。