名词
中文翻译：Unknown
同义词：
['quadruplet', 'quartet']
例句：
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1.The quaternary group is composed of four members.
这个四分体由四个成员组成。
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2.The quaternary group has been working on a new project for the past few months.
这个四分体在过去几个月里一直在从事一项新的项目。
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3. The quaternary group is responsible for managing the company's finances.
这个四分体负责管理公司的财务。