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
This city is just too overpopulated.
这个城市人口太过稠密。
We think $ 87,000 per unit with a five percent discount for orders over 100.
我们减少到每台8。7万美元，订购超过100台给予5%的折扣。
One young calf especially enjoyed raising a turtle to the surface with his snout and then shoving him across the tank like an aquaplane.
一只小海豚特别喜欢用鼻子把海龟推到水面，然后像滑水板一样把海龟从水池的这一边推到那一边。