但是，当一个毛孔被过多的油脂和死去的皮肤细胞堵塞，问题出现了。
But, when a pore gets clogged with too much oil and dead skin cells, problems arise.
过多的油脂会堵塞毛孔并滋生细菌，细菌靠这些油脂生存和繁殖。
Too much oil clogs pores and attracts bacteria, which feed on the oil and begin to multiply.
据认为是过多的油脂分泌造就了这些人彼得•潘式的不老容颜，但其他生物学原因还不得而知。
It was thought excessive oil production contributed to their Peter Pan looks, but the rest of the biology was unknown.
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