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
Help yourselves.
请随便用。
He who fears being conquered is sure of defeat.
怕吃败仗的就要打败仗。
Yes, Miss Zhao. answered the students. Now, who is on duty today?
“好的，赵小姐，”同学们回答。“今天谁值日？”