寄生生物

Translation

pest / leech / freeloader

Meaning

An organism that lives in or on another organism (its host) and benefits by deriving nutrients at the host's expense.

Examples

• The tapeworm is a common intestinal parasite that can infect humans.
  条虫は人間に感染する一般的な腸内寄生虫です。
• Malaria is caused by a parasite transmitted through mosquito bites.
  マラリアは蚊の吸血によって媒介される寄生虫が原因です。