Wisdom teeth have been around for millennia.

智齿已经存在了几千年。

Tooth decay can eventually destroy your wisdom tooth.

蛀牙最终会毁了你的智齿。

Hey, will I still get wise without my wisdom teeth?

没了智齿 我还有智慧吗？

Wisdom teeth are also called third molars.

智齿也被称为第三磨牙。

Machinists crafted rare airplane parts, while a dentist readied to remove enlistees' wisdom teeth.

机械师们负责制作罕见的飞机部件，牙医则准备着帮士兵们拔掉智齿。

But why did wisdom teeth specifically get the boot?

但是为什麽智齿会被开除呢？

Wisdom teeth that are not well aligned and become impacted are often removed.

当智齿长歪了，并发展为阻生（智齿），通常会被拔除。

Some people naturally never have wisdom teeth.

有些人天生就没有智齿。

Sometimes, the wisdom teeth are impacted, meaning they are stuck under the gums.

有时，智齿会被阻挡，这意味着它们卡在牙龈下面。

The molars include four wisdom teeth, which are the last set of teeth to come in.

臼齿包括四颗智齿，这是最后一组长出来的牙齿。