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.

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

我腿上被某种虫子咬了。

Bubonic plague is the result of an insect bite in which the plague bacillus travels through the lymphatic system to the nearest lymph node where it forms a swelling.

腹股沟腺炎型鼠疫是跳蚤叮咬后，鼠疫杆菌沿着淋巴系统流到最近的淋巴结并在那里形成肿胀的结果。