自然界 zìránjiè nature
nature; the natural world
怎么记住“自然界”: 自 self + 然 however + 界 boundary = nature.
汉字
用法
- 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.