Ifr
abbr. inflight refueling 飛行補給燃料; infrared 紅外線的
??? 情景例句
Let's make it 6:00 at your place, is that OK?
咱們六點在你們家見，好嗎？
I have a dog, but it's very quiet.
我有一只狗，不過它很安靜。
Wei Hua's busy day
魏華繁忙的一天