10 "齿"象口中上\下两排牙齿之形. "teeth" like the mouth of the \ lower two rows of teeth shape.

10  "齿"象口中上\下两排牙齿之形.

齿    甲骨文象口中长有上下牙齿之形。篆书在上部加"止"字"作声符.《说文》注：“口断骨也。象口齿之形。”齿本指牙齿，亦指似齿之物。引申并列、提到。

齿 [齒] (名) ① tooth ② a tooth-like part of anything


10     "teeth" like the mouth of the \ lower two rows of teeth shape.
Odontoid teeth as long as the upper and lower teeth of the mouth shape. "Seal" in the upper part of the plus "stop" word "for". Like the shape of the mouth. "Tooth refers to the teeth, also refers to the teeth of things. Extended parallel, mentioned.
A tooth-like part of anything