自然界
し
ぜ
ん
か
い
Meanings
1
nature; the natural world
Refers to the physical world and its phenomena, as opposed to human society or artificial constructs. Common in scientific, environmental, and philosophical contexts.
There are still many unsolved mysteries in the natural world.
Humans are also part of nature.
Usage patterns
- 自然界に〈物〉が存在するfor something to exist in the natural world
This chemical does not exist in nature.
- 自然界の法則the laws of nature
Survival is a law of nature.
- 自然界で生き延びるto survive in the natural world
That animal has survived in the harsh natural world.
- 自然界のバランスを保つto maintain the balance of nature
Human activity is disrupting the balance of nature.