翻译和例句:
(层). The innermost layer of the tooth, called pulp (牙髓), feels pain because there are nerves (神经... them.Teeth have three layers (层). The innermost layer of the tooth, called pulp (牙髓), feels pain ……
.Teeth have three layers (层). The innermost layer of the tooth, called pulp (牙髓), feels pain because..., called pulp (牙髓), feels pain because there are nerves (神经) in the tooth. The nerves can sense pain ……
lies in the "pulp(牙髓)". Pulp is theinnermost(最里面的) part of the tooth. It has the tooth'snerve ……
|
|
|