n. a line drawn underneath (especially under written matter)
v. give extra weight to (a communication)
vt. 划线于...下
n. (表强调的)下划线
[计] 底线
1. Please underscore the important points in your presentation.
请在你的演示文稿中强调重要的要点。
2. The teacher asked us to underscore the key terms in the textbook.
老师让我们在教科书中标出关键术语。
3. I want to underscore how important it is to stay healthy.
我想强调保持健康是多么重要。