名词
中文翻译：链状物
同义词：
['chain', 'link', 'linkage', 'chain of links']
例句：
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1. The old man was wearing a chain around his neck.
老人脖子上戴着一条链子。
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2. The chain connects the two pieces of metal together.
这根链条将两块金属连接在一起。
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3. The chain is used to secure heavy objects.
这条链条用来固定重物。