the balance of nature is broken.
自然界的生态平衡被破坏了。
we can break the balance of nature by increasing the category and quantity of pests' natural enemy so as to limit their growth and thus prevent the harm.
而增加对害虫天敌的种类或数量,来打破自然界的相对平衡,使之不利于害虫种群的增长,从而减少和防止它们的为害。
all of us should be grateful to what nature offers us, obey the natural laws, maintain the balance of nature and ban burning any harmful l substance and giving off carbon dioxide through the chimneys.
我 们应当用感激的心回报答自然的恩赐,遵守大自然的规律,维护生态平衡,禁止燃烧任何有害物质, 严禁烟囱里释放二氧化碳。
how important and necessary for us to keep the balance of nature and protect the environment!
对于我们来说,维持生态平衡,保护赖以生存的环境是多么重要啊!
did walter equate the balance of nature with god?
沃尔特把自然的平衡和上帝划等号吗?。
so some experts declare that the balance of nature is being destroyed.
所以一些专家们宣称自然界的平衡正在被破坏。人类的生存很危险。
the balance of nature and ecological environment has been broken due to the appearance and development of the city.
城市的兴起与发展,打破了原本平衡的自然生态环境。