balance of nature自然: nature; natural world生态平衡: ecological equilibrium; ecol ...自然界生态平衡: balance (of nature)自然生态系: natural ecosystem自然生态学: ecology of nature; natural ecology下载手机词典可随时随地查词查翻译关注微信公众号:chachacidian,回复:自然生态平衡,即可在微信中查询翻译