一颗智齿怎么说英语

A wisdom tooth is a tooth that typically grows in at the back of the mouth and is the last set of molars to come in, usually appearing in the late teenage years or early twenties. In Engpsh, a wisdom tooth can also be referred to as a "third molar." Wisdom teeth are sometimes removed if they are impacted (stuck in the jaw and unable to emerge) or if they cause problems with the apgnment of the teeth.