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来源:雅诚德英语网
The question of whether the decrease in plant fecundity caused by the spraying of pesticides actually causes a decline in the overall population of flowering plant species still remains unanswered.
喷洒杀虫剂导致的植物繁殖力下降是否真的会导致开花植物物种总数的下降,这个问题仍然没有答案。