Human being are exploiting natural resource.

Human being are exploiting natural resource. Human being are natural enemies of marine mammals. 什么意思? Are you human being? Natural Resource Management(NRM) human resource 还是 human resources? human resource怎么读 Human Resource 读音 human resource的音标 Human Resource 怎么读 human being 后面用are还是is human呢? Human beings are using up the planet' s natural resources. 英语阅读题一.Rivers are one of our most important natural resource