自然界 zìránjiè nature
nature; the natural world
How to remember 自然界: 自 self + 然 so + 界 boundary = nature.
Characters
How it is used
- The natural world, nature as a realm: 自然界的奥秘 (zìránjiè de àomì) the mysteries of nature.
- Names nature as a whole domain (plants, animals, phenomena), whereas plain 自然 can also mean 'natural/naturally'.
- Register: science and reflective writing.