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来源:雅诚德英语网
Because smaller ones are more likely to become infected. And keep your genes out of the pool.
因为阑尾变小会更容易被感染,将易受感染基因从人类基因种群中剔除出来。
Because smaller ones are more likely to become infected. And keep your genes out of the pool.
因为阑尾变小会更容易被感染,将易受感染基因从人类基因种群中剔除出来。