ret} represents the return key.

{ret} 代表回车键。

youdao

Press the return key.

按回车键。

youdao

The Return key selects the currently highlighted item.

回车键用来选择当前高亮显示的项目。

youdao

He wants to live a normal life. To do that he must perform one last job for Saito, a mega tycoon who holds the key to Cobb's safe return to the United States.

VOA: standard.2010.07.20

And if you've never used those, they're usually above your Return key.

如果你从来没用过这些竖线，它们在,回车键的上面。

哈佛公开课 - 计算机科学课程节选

Your finger barely has time to move away from the Return key before the screen is filled with information, starting with the inevitable Wikipedia entry.

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Feinberg chooses "White" and hits the return key.

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The return of key players should help settle a West Indies side that suffered heavy defeats both in the series with Bangladesh and subsequent Champions Trophy.

BBC: Gayle returns as Windies skipper