Agard
abbr. 航空研究与发展顾问组（advisory group for aeronau-tical research and development）
🗣️ 情景例句
I need a full tank.
我要满满一箱油。
It's about time.
时间差不多了。
They had to edge their way along this, sometimes wading across shallow streams, or swimming across deep pools.
他们不得不侧着身子往前走，有时过浅溪，有时游过深潭。