wisdom teeth

基本解釋

If it were, we might have wings instead of wisdom teeth.
如果真的無可挑剔，那我們就應(yīng)該長翅膀而不是智齒。
But wisdom teeth weren’t always a cash crop for oral surgeons. Long ago, they served as a useful third set of meat-mashing molars.
很久以前，智齒是作為把肉嚼碎的第三磨牙而派大用處的，不是像現(xiàn)在只是留給口腔醫(yī)生去拔掉。
Some experts think that wisdom teeth and the appendix may be slowly on their way out -- some people are already born without them -- since they do sometimes cause life-threatening infections.
一些專家認(rèn)為，智齒和闌尾可能正在慢慢退出，有些嬰兒出生時就沒有智齒和闌尾，因?yàn)樗鼈冇袝r候會引起威脅生命的細(xì)菌感染。

The American Dental Association says removal is generally advised when wisdom teeth only partly break through the gums.
But why do we have wisdom teeth if we often need to get them removed?

Your wisdom teeth are the four large teeth at the back of your mouth that usually grow much later than your other teeth.

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