词典释义：
释义
n.
a person or thing that repeats something, in particular
重复者，尤指：
a firearm which fires several shots without reloading
连发火器，连发枪。
a watch or clock which repeats its last strike when required
打簧表，问表；打簧钟，连打钟。
a device for the automatic retransmission or amplification of an electrically transmitted message
重发器，转发器；增音器。
a railway signal indicating the state of another that is out of sight
复式信号灯。
易错必背词
类似拼写词
词源
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