城市是由自然生态系统、社会生态系统、经济生态系统等构成的复合生态系统。

Cities are shaped by natural ecosystems, social ecosystems, economic ecosystems posed by complex ecosystems.

youdao

城市是由自然生态系统、社会生态系统、经济生态系统等构成的复合生态系统。

Cities are shaped by natural ecosystems, social ecosystems, economic ecosystems posed by complex ecosystems.

youdao