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来源:雅诚德英语网
Natural selection favors the parasites that are best able to find and feed on hosts.
自然选择偏爱那些最容易找到寄主并以之为食的寄生虫。
Natural selection favors the parasites that are best able to find and feed on hosts.
自然选择偏爱那些最容易找到寄主并以之为食的寄生虫。