Dentinal ridge
[醫] 牙嵴
?? 詞語組成解析
牙(本)質的
ridge
[rid?]
n. 背脊，峰，隆起線;山脊，山脈，海脊;高壓脊;皺摺，田埂;
vt. 使成脊狀，使隆起;
vi. 使成脊狀;
??? 情景例句
It's unsafe for girls to go out alone at night.
女孩子晚上一個人外出很危險的。
There is honour among thieves.
盜亦有道。
The Scandinavian countries are much admired all over the world for their enlightened social policies.
斯堪的納維亞半島各國實行開明的社會政策，受到全世界的推崇。