2. They said they believe the continent may lose as much as 30 percent of its animal and plant species by the end of this century.

　　as much as 差不多

　　例句：Hell know as much as she does, right?

　　他知道的内幕和她一样多对不对?

　　3. Many African animals and plants no longer have a place to live as result.

　　no longer 不再，已不

　　例句：Quality is no longer an issue.

　　质量不再是个问题。

　　4. And unfortunately with the increase in CO2 that has been now estimated to be up to three degrees in terms of rising global temperatures -- that means we may lose 40 percent of all mammal species in Africa by the end of the century, said Smith.

　　in terms of 根据; 用的话; 就而言

　　例句：The decision should be rated up in terms of importance.

　　决定必须根据其重要性来评估。

　　5. The African chimpanzee is one such animal at risk.

　　at risk 有危险

　　例句：He saved three children alive at risk of his life.

　　他拼命救出了三个孩子。

　　6. Thomas Smith of the University of California says its possible to develop Africa and care for the environment at the same time.

　　at the same time 同时; 一起

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