空中

in the sky; in the air; aerial; overhead

♦ ~补给 air-supply; air-resupply

♦ ~待战 air alert

♦ ~加油 air refueling; inflight refueling

♦ ~侦察 aerial reconnaissance

♦ ~走廊 air corridor; air lane

~飞人 [杂]flying trapeze~花园 Hanging Gardens of Babylon (one of the ancient world's seven wonders)~加油 [航空]air refueling; in-flight refueling; air-to-air refueling~劫持 aerial hijacking~客车 airbus~楼阁 castles in the air~小姐 air hostess