addendum line

• 齿顶线

addendum line的用法和样例：

例句

1. It is the distance between the base line and the ascender line or cap line.
   是从基线到大写顶线或上升笔划线的距离。
2. Today, in addition to improving the bottom line through increase in productivity, companies are aiming to elevate the top line through investment in innovation.
   今天，公司除了通过提高生产率来抬高底线之外，还在努力通过创新投资来提高顶线。