Machine-hour
n. 机器工时
🧩 词语组成解析
hour
['aʊɚ]
n. 小时，钟头;时间，时刻;固定时间;课时;
🗣️ 情景例句
In any case, you should prepare for the worst.
无论如何你要做好最坏的打算。
A watched pot is long in boiling.
心急水不沸。
Acting on a sudden impulse, I collected several dozen, put them in a paper bag, and took them to Robert.
我一时冲动，逮了几十只，装进一只纸袋里，带着去找罗伯特。