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来源:雅诚德英语网
In contrast, unfavorable conditions that occur unpredictably pose considerable problems for organisms.
相反,不可预测的不利条件会给生物体带来相当大的隐患。
In contrast, unfavorable conditions that occur unpredictably pose considerable problems for organisms.
相反,不可预测的不利条件会给生物体带来相当大的隐患。