the key on a computer keyboard that you press in order to move down a line on the screen, or to mark the end of a section of text or data, or the act of pressing this key

First, type ATZ and then hit carriage return. 首先键入 ATZ，然后按回车键。

Text files contain no formatting apart from carriage returns and tabs. 文本文件除了回车和制表符外，不包含任何其他格式。

the part of a typewriter that you move or press in order to start a new line of writing

The key is sometimes referred to as the Return key in word-processing because of its similarity with the typewriter carriage return. 在文字处理中这个按键有时被称为回车键，因为与打字机的回车键很相似。