A jet is always used when there is an emergency.紧急情况下通常使用喷气式飞机。
This new jet engine is superbly engineered.这个新喷气式发动机的设计实属上乘。
Put a match to the jet to light the gas.将火柴放在煤气喷嘴上点燃煤气。
The firemen directed jets of water at the burning building.消防队员把水柱喷向燃烧着的楼房。