fly的复数形式是flies，音标[flaɪz]，中文释义为苍蝇。例句：The horse was flicking flies away with its tail. 马轻轻甩动尾巴把苍蝇赶走。
英 [flaɪz] 美 [flaɪz]
Flies rose in thick black swarms.
They eat flies? What a gross-out!
The flies were a terrible torment.
Flies buzzed at the animals' swishing tails.
The horse was flicking flies away with its tail.
Hundreds of flies buzz around us, and the workman keeps swatting them.
Four monsters run from flies.
The dragonfly feeds on flies.
Ants and flies are insects.