
好词典

源自repeat(重复)+-er(表示人或物的后缀),最早记录于15世纪,最初指重复动作的人,后引申为机械和电子设备。
❶ 指重复做某事的人或物,特指重复发送信号的电子设备,常用于增强无线通信或网络信号覆盖范围。
“The hiker used a radio repeater to communicate with the base camp.”
(徒步者用无线电中继器与基地营地通讯。)
“Our office installed a Wi-Fi repeater to boost the signal in the back room.”
(我们办公室安装了Wi-Fi信号放大器来增强后屋的信号。)
❶ 指多次犯罪的人,尤指惯犯,常用于法律或警察术语中描述累犯者。
“The judge gave a harsh sentence to the repeater who had committed the same crime three times.”
(法官对三次犯下同一罪行的惯犯判处了重刑。)
“The police identified him as a repeater based on his criminal record.”
(警方根据他的犯罪记录认定他是累犯。)
signal repeater — 指专门用于接收并重新发送信号的设备,常用于扩展通信或网络覆盖范围。
“We need to set up a signal repeater on the mountain to ensure emergency communications.”
(我们需要在山上架设信号中继器以确保紧急通讯。)