Machine hours
[化] 机器运转时间
🧩 词语组成解析
n. 小时（hour的复数形式）
🗣️ 情景例句
Housewife campaigns in appliance stores.
家庭主妇在电器行 进行竞选活动 。
Sometimes I make mistakes when I speak English.
当我说英语时，有时我犯错误。
The albatross is the king of the gliders, the class of fliers which harness the air to their purpose, but must yield to its opposition.
信天翁是滑翔飞行的鸟类之王，它能自如地驾驭空气，但必须顺气流飞行。