下划线的英文：
underline

参考例句：

Modules should have short, lowercase names, without underscores.
模块应该是不含下划线的，简短的、小写的名字。

Note: The dash {-} and the underscore {_} may also be used.
注意：还可以使用破折号“-”和下划线“_”。

A line drawn under writing to indicate emphasis or italic type.
下划线划在文字下的线，以表示强调或斜体符号。

Every piece is separated by an underscore instead of a dot.
每一部分都由一根下划线隔开，而不是点。

This text includes different colors and font modification, such as underline, strikeout, bold, and italic text.
该文本包含不同的颜色和字体修饰，比如下划线、删除线、粗体和斜体。

You'll see a red wavy underline displayed as a reminder that something is missing.
您将看到显示一条红色波浪下划线，提醒您缺少某些内容。

underline是什么意思：
v. 在…下面划线；强调
n. 下划线；下期节目预告

There are dozens of words and phrases underlined.
有许多单词和短语的下面划了线。

You'll see the underline on the top.
你会在最上面看到下期节目预告。

The rice crisis underlined an embarrassing problem that the government faces.
大米危机使政府面临的困窘问题更为突出。

The frantic bombing only underlined the weakness of the enemy.
疯狂的轰炸只显示出敌人的虚弱。

Pressing alt plus the underlined letter in the menu.
按更改键Alt和菜单中带下划线的字母。