Ifr
abbr. inflight refueling 飞行补给燃料; infrared 红外线的
🗣️ 情景例句
Mr Wang, I'd like you to meet my brother, Haitian.
王先生，我想请你见见我弟弟，海天。
Opportunity, sooner or later, comes to all who work and wish.
只要努力工作而有志向，机会迟早终会来临。
We must decide which one to buy.
我们必须决定要买那一台。