MEANING/意义
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press down，press (a button)Type verb/动词
按下
EXAMPLES/列句
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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
COMBINATIONS/组合
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应按下列
should /must... according to the following (requirements，rules，etc.)
