名词
中文翻译：Unknown
同义词：
['button', 'fastener', 'fastening']
例句：
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1.She carefully placed the button on her dress.
她小心翼翼地把扣子放在她的裙子上。
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2.The fasteners on the bag are sturdy and reliable.
这个包上的扣件很坚固可靠。
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3.The fastening mechanism of the lock was easy to operate.
锁的锁定机制很容易操作。