百利天下出国考试为各位考生整理了雅思写作常用词汇：生态平衡，供考生们参考使用，更多雅思写作辅导请继续关注百利天下出国考试。
ecological balance/equilibrium[生态平衡]
- eg: Animals need to be treated with a humane attitude as they are essential to the ecological balance.；
alternative method[替代方法]
- eg: Computer stimulation is a great alternative method of animal testing.。
以上就是百利天下出国考试向大家介绍的雅思写作常用词汇：生态平衡，希望能给大家的雅思词汇准备有所帮助!
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