Ifr
abbr. inflight refueling 飞行补给燃料; infrared 红外线的
🗣️ 情景例句
Haven't you finished balancing that checkbook?
你还没有核对完支票簿帐目吗？
It's up to you.
由你决定。
They plan to immigrate to Finland next year.
他们计划明年移居芬兰。