1
a repeater of [sth]
用于指重复某事物的人。
He is a repeater of the same old stories.
他是个重复讲老故事的人。
重复者；重复的事物
先理解核心含义，再看它在真实句子里的用法。
重复者；重复的事物
a person or thing that repeats
He is a repeater of the same old stories.
他是个重复讲老故事的人。
重复的人或物。
One who or that which repeats.
重复者
a person who repeats
重修课程或留级的学生。
A student repeating a course, class, or grade.
惯犯
someone who is repeatedly arrested for criminal behavior (especially for the same criminal behavior)
The school has a program for repeaters to help them catch up.
学校为留级生设立了课程帮助他们赶上进度。
AI contextual example
In the exam, repeaters often score better than first-timers.
在考试中，重考者通常比第一次考的人得分更高。
AI contextual example
He is a repeater at the talent show, performing the same magic trick every year.
他是才艺表演的常客，每年都表演同一个魔术。
AI contextual example
the audience consisted largely of repeaters who had seen the movie many times
观众中大多是多次看过这部电影的人。
WordNet
用于指重复某事物的人。
He is a repeater of the same old stories.
他是个重复讲老故事的人。
用于指增强或转发信号的设备。
They installed a repeater for the radio signal.
他们安装了一个无线电信号中继器。
用作定语，修饰名词构成复合词。
The repeater station boosts the network coverage.
中继站增强了网络覆盖。
Not this
Please repeater the word.
Use this
Please repeat the word.
错误：将名词'repeater'误用作动词。正确形式为动词'repeat'，表示‘重复’。
Not this
He is a repeaters.
Use this
He is a repeater.
错误：单数名词前使用了复数形式'repeaters'。'repeater'为可数名词，单数形式不需要加-s。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
Wi-Fi信号中继器
We bought a Wi-Fi repeater to improve the signal in the bedroom.
我们买了一个Wi-Fi信号中继器来改善卧室里的信号。
中继站
The signal was weak, so they built a repeater station on the mountain.
信号很弱，所以他们在山上建了一座中继站。
连发枪
The museum displays a repeater rifle from the 19th century.
博物馆陈列着一支19世纪的连发枪。
打簧表；问表
A repeater watch can tell the time in the dark by chiming.
打簧表可以通过报时在黑暗中告知时间。
重修生；留级生
The teacher gave extra help to the repeater students.
老师给重修生提供了额外辅导。
发长 /iː/ 音 (如 sea, tea)
Same pattern, same sound
Use repeater naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
联想 repeat（重复）+ er（者）：重复做的人或物，如留级生、惯犯、信号转发器。
语域：neutral 常见场景：education、school administration repeater 表示‘重修生、留级生’时，属于中性词，多在学校或教育机构的正式/半正式语境中使用（如成绩单、教务说明）；日常口语中更常说 repeat a year 或 retake a course。
与 repeater 押韵（重音元音 /iː/ 和后面的 /tɚ/ 相同）的有 beater、heater、eater、cheater 和 meter，其中前四个的拼写都是 -eater。注意 sweater 虽然也拼作 -eater，但读作 /ˈswɛtɚ/，元音不同，并不押韵。
Dictionary facts from ECDICT, WIKTIONARY.
Watch the sound change