Don't look him directly in the mandibles.

你可别直视他的下颚。

With their razor sharp mandibles, they find it easy to rob the flowers of their nectar.

在它们如剃刀般锋利的上腭的帮助下，它们能轻易掠取花中的蜜汁。

Then we'll move down to your mandible, it helps you chew food.

接下来，我们来看一下帮助你咀嚼食物的下颌骨。

Those mandibles go from 0 to 200 miles per hour in point zero-zero-zero-zero-one-five seconds.

这些下颌骨在 0.000015 秒内从 0 加速到每小时到 200 英里。

People here believe that this beetle can actually cut down branches using its huge saw-like mandibles.

这里的人相信这种甲虫用其锯齿状巨颚能够剪断树枝。

On their elongated head, some species use their large, hooked mandibles in a scissor-like way to decapitate predators such as ants.

在它们细长的头上，一些物种用它们巨大的钩状下颚像剪刀一样斩首如蚂蚁这样的食肉动物。

Osteoblastomas also tend to affect the bones of the axial skeleton, usually the mandible, and erode the surrounding bone.

成骨细胞瘤往往影响中轴骨，通常是下颌骨，并侵蚀周围骨骼。

Signs External Signs External signs include bilateral lower facial oedema or swelling around mandible (jaw bone in upper neck) .

体征外部体征外部体征包括双侧下面部水肿或下颌周围肿胀（上颈部的颚骨）。

The mandible has a mixture of both modern and archaic features.

下颌骨兼具现代和古代特征。

The upper mandible has a tooth-like  protrusion that helps them grab prey.

上颌骨有一个牙齿状的突起，可以帮助它们抓住猎物。