n. a living thing that has (or can develop) the ability to act or function independently
n. a system considered analogous in structure or function to a living body
n. 生物, 有机体, 社会组织
[医] 生物[体],[有]机体
1. An organism can be as small as a bacteria or as large as a whale.
一个生物体可以小到细菌，也可以大到鲸鱼。
2. All living organisms need water to survive.
所有生物体都需要水才能生存。
3. Scientists study how each organism interacts with its environment.
科学家研究每个生物体如何与其环境相互作用。