六级Yet once they start growing, such plants seem not to retain the ability to hit the pause button on metabolism in their stems or leaves.

然而，一旦这些植物开始生长，它们似乎就不能保持在茎或叶中按代谢暂停按钮的能力。

六级During commercials, an overlay will appear at the bottom of the screen, prompting viewers to press a button to request a free sample or order a catalogue.

在广告期间，屏幕底部会出现一个覆盖图，提示观众按下按钮请求免费样品或订购目录。

高考He doesn't know where the "on" button is.

他不知道“开”按钮在哪里。

高考Sorry, I dropped it and now the "on" button doesn't light up.

对不起，我把它弄丢了，现在“开”按钮不亮了。

高考In any unsafe situation, simply press the button and a highly-trained agent will get you the help you need.

在任何不安全的情况下，只要按下按钮，训练有素的特工就会为您提供所需的帮助。