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
Say hi to your dad for me, and drive safely.
路上小心开车，并请向代我向令尊问好。
The feature started at 9 o'clock and ended at 11:30.
放映在9点钟开始了并且将在11:30结束了。
However, this freedom can easily be abused.
然而，这种自由很容易被滥用。