The head of a housefly is round.

苍蝇的头部是圆的。

youdao

Their killing effect is slightly lower while the knockdown effect against housefly is even better.

前者的致死作用略低于后者，而对家蝇的击倒效果却优于后者。

youdao

Their killing effect is slightly lower while the knockdown effect against housefly is even better.

前者的致死作用略低于后者，而对家蝇的击倒效果却优于后者。

youdao