Efficiency of the furnace
[化] 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];
the
[ðə]
art. 指已提到的人（物）;指说话人与听者已知的人（物）;用于独一无二的事物前;与形容词最高级和序数词连用;
🗣️ 情景例句
I'd like to know more about...
我想知道其他关于…
I used to start working at 9:00 o'clock every day.
我过去常在9:00点钟开始每天工作。
Together we repeated and repeated words and sentences.
我们一道反反复复地说词语和句子。