名词
中文翻译：安全带扣环
同义词：
['safety belt buckle', 'seatbelt buckle']
例句：
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1.The car's spring safety hitch is broken, so we need to replace it.
汽车的安全带扣环坏了，我们需要更换它。
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2. The driver had to use the seatbelt buckle instead of the spring safety hitch.
司机不得不使用安全带扣环而不是安全带扣环。
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3.The child was strapped in with the seatbelt buckle, but his mother insisted on using the spring safety hitch.
孩子被安全带扣环固定住，但他的母亲坚持要使用安全带扣环。