这个单词意思很多,举几个给你看一下：
1.N-COUNT 可数名词 苍蝇 A fly is a small insect with two wings.There are many kinds of flies,and the most common are black in colour.
2.VERB 动词飞;飞行;飞翔 When something such as a bird,insect,or aircraft flies,it moves through the air.【语法信息】：V prep/adv
【语法信息】：Also VThe planes flew through the clouds...飞机穿越云层.
The bird flew away.鸟儿飞走了.
3.VERB 动词(乘飞机)飞行,航行 If you fly somewhere,you travel there in an aircraft.【语法信息】：V prep/advHe flew to Los Angeles...他飞往洛杉矶.
He flew back to London...他飞回了伦敦.
Mr Baker flew in from Moscow.贝克先生是从莫斯科飞过来的.
4.VERB 动词驾驶(飞机) When someone flies an aircraft,they control its movement in the air.
【语法信息】：VParker had successfully flown both aircraft...两架飞机帕克均成功驾驶过.
He flew a small plane to Cuba...他驾驶一架小型飞机飞往古巴.
His inspiration to fly came even before he joined the Army.他想开飞机的念头在参军之前就有了.
