他把连接报警按钮的电线扯掉了。

He ripped away a wire that led to the alarm button.

《柯林斯英汉双解大词典》

手动报警按钮上带有消防电话插孔。

On the manual warning button has the fire prevention telephone jack.

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要报警，你只需按动此按钮。

To activate the alarm, you just push this button.

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按下“报警”按钮，等待他人回复。

Push the alarm button and wait for someone to respond to you.

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万一发生火灾，按这个按钮报警。

Press the button to sound the alarm in case of fire.

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按下红色按钮，绿灯亮时对准话筒报警。

Press red button, wait for green light and speak into the microphone.

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按下红色按钮，绿灯亮时对准话筒报警。

Press red button, wait for green light and speak into the microphone.

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