易混淆的单词： BirdsBIRDS

Despite their ample square footage , they admit more sunlight than fresh air and make tempting targets for birds .

尽管它拥有宽大的使用面积，但它的透光性要优于透气性，由此也容易也成为鸟类追逐的目标。

By diving , birds can achieve extremely high speeds .

俯冲过程中，鸟类能获得极端高速。

Can migratory birds carry h5n1 over long distances ?

候鸟会长距离携带h5n1型禽流感病毒吗？

Mosquitoes contract the virus when they bite infected birds .

蚊子叮咬了染病飞禽后，受到病毒感染。

The birds are a little more complicated .

那些鸟类的死亡原因有点复杂。