我选定了一份文件，然后按下了删除键。
罗德尼把录音机放在桌面上，按下了播放键。
Rodney put the recorder on the desk top and pushed the play button.
所有宏指令都可以被设定为按某一快捷键开始运行。
按了几个键后，丽贝卡连接上了她在自由航空公司的电脑。
With a few keystrokes, Rebecca was connected to her computer at Liberty Air Service.
你检查了电源插头并按下播放键了吗？
上下两片叶一起组成了一根 π键。
这是四个极性键按空间对称聚集的结果。
This is the result of the four polar bonds clustering symmetrically in space.
具有多重碳-碳键的大分子的燃烧涉及到一系列更复杂的反应。
The combustion of larger molecules, which have multiple carbon-carbon bonds, involves a more complex series of reactions.
在这一部分中，您将看到如何生成键，让你存储每个用户会议所用的数据。
In this section, you'll see how to generate keys that let you store data for each user session.
这根弯弯曲曲的线缆上还能找到开机键和锁屏键，以及另外一个麦克风，用于噪音消除和提升语音质量。
You can also find the power button and lock screen key on this squiggly cable, as well as another microphone for noise cancellation and improved voice quality.
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