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，智齿是作为把肉嚼碎的第三磨牙而派大用处的，不是像现在只是留给口腔医生去拔掉。

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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，智齿是作为把肉嚼碎的第三磨牙而派大用处的，不是像现在只是留给口腔医生去拔掉。

youdao