登录
a community of living organisms together with their physical environment, interacting as a system
生态系统
the place or area in which certain animals, birds, or plants naturally exist, lives, and grows
栖息地, 生境
the protection of the natural environment and resources from wasteful human activities
保护, 保存
the capacity to be maintained for a long time and causing no harm to the enviroment
可持续性, 永续性
a process in green plants during which the plant synthesizes using water and carbon dioxide
光合作用
all wild animals, considered as a whole, living in the natural environment
野生动物, 自然界的动物
a type of animal or plant that is at risk of becoming extinct
濒危物种, endangered species
everything that exists or happens on the earth, excluding things that humans make or control
自然, 天然环境
a layer of gases in the earth's atmosphere that does not let the sun's ultraviolet radiation pass through
臭氧层
