Efficiencies
n. 效率, 效能( efficiency的复数形式 )
🗣️ 情景例句
Molly, I need your special talent for handling special matters.
Molly，我需要你处理特殊状况的特殊才能。
Please tell him to stop running in and out.
请告诉他不要跑进跑出。
only of metal, which wears away by friction.
而是由金属组成，而金属可以随着磨擦而磨损殆尽。