My mom told me I had a big jaw.

我妈说我的下颚很宽。

And, worst of all, his big jaw wouldn't SNAP.

而且，最糟糕的是，他的大下巴不会折断。

Killing something that big required gigantic jaws and a powerful bite.

杀死这么大的东西需要巨大的下颚和有力的咬合。

It had armored skull bones and armored backbone heavily reinforced and big strong jaws.

它拥有包覆装甲的头骨和重度加固的装甲脊柱。

For example, there might be a queen with a large body and wings, workers with smaller bodies and no wings, and soldiers with bigger jaws, all within the same species.

例如，可能有一个身体大且有翅膀的蜂王，身体较小且没有翅膀的工蚁，以及下巴较大的士兵， 它们都属于同一物种。