复数： tomcods
易混淆的单词： Tomcod

The species of interest to dr wirgin is the atlantic tomcod of the hudson river in upstate new york .

wirgin博士感兴趣的试验种群是位于纽约哈德逊河上游的大西洋小鳕。

Both hudson tomcod and new bedford killifish are able to tolerate levels of pcb far higher than those that would kill such fish in cleaner waters .

哈德森的鲟鱼和新贝德福德的鱼能够适应如此高的pcb含量，这已远远高于清水中的致死量，这是为什么呢？

The two missing links in the chain ( a phenylalanine and a leucine , for aficionados ) are encoded in the gene for ordinary tomcod ahr by six genetic " letters " that are missing from the dna found in pcb-resistant hudson tomcod .

2个在基因链上遗失了的（分别是苯丙氨酸和亮氨酸）基因，其实是普通小鳕鱼的ahr的6个遗传基因编码，也就是自哈德逊小鳕鱼体内pcb抗体遗失的dna。

Both hudson tomcod and new bedford killifish however have unusual ahr molecules . And it is this that seems to explain their immunity .

哈德逊小鳕与新贝德福德港鱼具有了异常的ahr分子，因此也就能解释为什么它们具备这样的免疫力。