Mechanical efficiency
[机] 机械效率
🧩 词语组成解析
🗣️ 情景例句
Scene: Tom and his wife have invited Carl and David for dinner.
场景：汤姆和他夫人邀请卡尔和大卫吃晚饭。
Please be aware that this is a crucial issue to us.
请了解这一点对我们至关重要。
Harry does not need to be prompted to explain how he bought his precious bottle of mud.
毋须暗示哈里就会向你讲起他买下那瓶珍贵香水泥的经过。