When the down key is pressed, the pop-up list should be shown.

按下向下键时，应该显示弹出列表。

youdao

Write down key personal information, including any major stresses or recent life changes.

写下重要的个人信息，包括目前你所面临的主要压力，和近期的生活变化。

youdao

These measurements break down key areas of your business so that you can see how they contribute to business results.

这些度量对您业务的多个关键方面进行了细分，因此可以了解这些关键方面对业务成果做出了怎样的贡献。

youdao

The Liberal Democrats, in this scenario, would agree not to vote down key government policies such as the budget.

VOA: standard.2010.05.10

If right arrow key down, move right.

方向键，就往右走。

哈佛公开课 - 计算机科学课程节选

So if you've ever seen or used an old school typewriter, you might recall that when you're typing something out on an old mechanical typewriter, - when you like hit the char-- when you hit the enter key to move the head back to the left hand side to the next line or you would pull down some lever, it was really a two part process.

如果你们有谁曾经看过或用过老式打字机，可能还记得，当你在,这种老式打字机上打字的时候，当你-,敲入回车键，跳转到,下一行的最左边，或者,拉一下杆，这个需要两步走。

哈佛公开课 - 计算机科学课程节选

For instance, satellite operators can power-down key systems to prevent the possible damage to the systems.

MSN: Solar storms sparked by giant 'magnetic rope,' study finds

Yitzhak Ben Yisrael, of the government's National Cyber Bureau, said hackers had mostly failed to shut down key sites.

NPR: Hackers Target Israeli Websites

Write down key personal information, including any major stresses or recent life changes.

CNN: Cold urticaria