N-COUNT
生物；有机体；（尤指）微生物
An organism is an animal or plant, especially one that is so small that you cannot see it without using a microscope.
例句
Not all chemicals normally present in living organisms are harmless.
并不是所有常见于生物体中的化学物质都无害。
...the insect-borne organisms that cause sleeping sickness.
通过昆虫传播、导致昏睡病的微生物