Jackengine
n. 辅助发动机
🗣️ 情景例句
Have gone to the railroad station.
去火车站。
But you have to pay 5% commission on this money exchange.
但兑换这笔外币，您得另外付5%的手续费。
I live near an airport and passing planes can be heard night and day.
我住在一个机场附近，过往飞机日夜不绝于耳。