ligamental ridge

• 齿丘

ligamental ridge的用法和样例：

例句

1. The two young men advanced cautiously towards the ridge.
   两个年轻人小心翼翼地向小丘前进。
2. The dim figures which he had formerly discovered must have been on the summit of the ridge.
   刚才他看到的那几个黑影，一定就在这小丘顶上。