英语语法分析

But it was around two years ago, when Pfc.

然而约两年前，一等兵(Pf c .)。

Cut down on the wrinkle-free materials. Five minutes of ironing will spare you from a lifetime of PFC exposure.

少用非褶皱材料，五分钟的熨烫会让你免于长时间暴露在PFC（全氟化碳）之中。

While other animals' brain regions development in synchrony, in humans, the development of the PFC lags far behind that of other areas.

其他动物的大脑区域发育是同步的，而人类的PFC发育远远慢于大脑其他区域。