Raaf
abbr. 澳大利亚空军（Royal Australian Air Force）
🗣️ 情景例句
All right, ladies and gentlemen.
好啦， 女士们， 先生们。
We were pleased to hear from your letter of 6 August that you were impressed with our selection of toys.
我们很高兴收到你方8月6日来函得知你方对我们的玩具非常感兴趣。
Cave exploration, or pot-holing, as it has come to be known, is a relatively new sport.
洞穴勘查——或洞穴勘探——是一项比较新的体育活动。