This idea was the first sign of the modern thought to protect zoological environments.
植树防灾思想是近代保护生态环境思想的先声。
Our constructed environments shield us from heat and cold and protect us from predators.
我们建造的环境使我们免受高温和寒冷并免受食肉动物的攻击。
Our constructed environments shield us from heat and cold and protect us from predators.
我们建造的环境使我们免受高温和寒冷并免受食肉动物的攻击。
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