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N-COUNT
紐扣；扣子
Buttons are small hard objects sewn on to shirts, coats, or other pieces of clothing. You fasten the clothing by pushing the buttons through holes called buttonholes.
例句
...a coat with brass buttons.
帶銅紐扣的外套
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VERB
扣上…的紐扣
If you button a shirt, coat, or other piece of clothing, you fasten it by pushing its buttons through the buttonholes.
例句
Ferguson stood up and buttoned his coat.
弗格森站起身來，扣上了外套。
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N-COUNT
（機器的）按鈕，開關
A button is a small object on a machine or electrical device that you press in order to operate it.
例句
He reached for the remote control and pressed the 'play' button.
他伸手拿過遙控器，按下“播放”鍵。
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N-COUNT
圓形小徽章
A button is a small piece of metal or plastic which you wear in order to show that you support a particular movement, organization, or person. You fasten a button to your clothes with a pin.
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PHRASE
（巧妙地）獲取想要的東西
If you say that someone presses the right button or pushes the right button, you mean that they get what they want from a particular situation or person by behaving in a clever way.
例句
Buchanan pushed all the right buttons, appealing to Maher's loyalty and to his guilt.
布坎南通過激發馬厄的忠心和負罪感得到了他想要的東西。