A module is one of the separate parts of a course taught at a college or university.
例句
These courses cover a twelve-week period and are organised into three four-week modules.這些課程要上12周，分為3個單元，每單元4周。
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(航天器的)分離艙
A module is a part of a spacecraft which can operate by itself, often away from the rest of the spacecraft.
例句
A rescue plan could be achieved by sending an unmanned module to the space station.可以通過向太空站發射無人太空艙來實現救援計劃。
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（建筑物中的）構件，組件，模塊
A module is one of a set of parts from which some buildings are made. Each module is made separately, and the completed modules are then joined together to form the building.
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(機器的)組件，部件;(尤指計算機的)模塊，程序塊
A module is a part of a machine, especially a computer, which performs a particular function.