名词
中文翻译：频道
同义词：
['aperture', 'conduit', 'avenue', 'thoroughfare例句：1. The radio station broadcasts on several channels.（这个广播电台在几个频道上广播。）2. The river flows through several channels.（这条河流穿过几个渠道。）']
例句：
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1. The radio station broadcasts on several channels.
这个广播电台在几个频道上广播。
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2. The river flows through several channels.
这条河流穿过几个渠道。
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3.She used to use her phone as a channel for communication.
她过去用她的手机作为通信的渠道。