AHR is a transcription factor, meaning that it controls the process by which messenger molecules are copied from genes.

AHR的是一种转录因子，也就是说，它控制的信使分子的基因复制过程。

PCBs do their damage by binding to a protein called the aryl hydrocarbon receptor, or AHR, thus stopping it working properly.

PCB的危害来源于它们结合一种称为芳香烃受体（AHR）的蛋白质，从而停止该类蛋白的正常运转。

So both New York City and Philadelphia raise the trap vowel in certain circumstances so you'll get ahr instead of ah.

所以纽约市和费城在某些情况下都会提高 trap 元音，所以你会听到 ahr 而不是 ah。

Dr Hahn has, however, found nine places along the amino-acid chain of killifish AHR where the link in the chain varies between individuals.

但沿AHR的氨基酸链上有9个部位的链接存在个体变异。