I've got an insect bite.

我被虫子咬了一口。

The insect bite made her finger swell.

蚊虫的叮咬让她的手指肿胀起来。

I've got some sort of insect bite on my leg.

我腿上被小虫咬了一口。

He scratched the insect bite on his leg (with his nails).

他(用指甲)在他腿上搔虫咬的地方。

After bite is America's favorite insect bite and bee sting treatment.

本品是北美最受欢迎的蚊虫和蜜蜂叮咬外用药膏。