智牙 zhìyá wisdom tooth Definitions Defs Origin Strokes Stroke Words Sentences Sents 智牙 zhìyá wisdom tooth the last four permanent teeth to grow in at the back of the mouth, usually appearing between ages 18 and 22 Cross-References Synonym 智齿 zhìchǐ
智牙 zhìyá wisdom tooth the last four permanent teeth to grow in at the back of the mouth, usually appearing between ages 18 and 22 Cross-References Synonym 智齿 zhìchǐ
