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a beater to do sth
此义项指猎人的助手，负责惊起猎物；to do sth 表示其任务。
The hunters hired a beater to drive the birds out of the bushes.
猎人们雇了一个赶鸟人，把鸟从灌木丛中赶出来。
驱赶猎物的人
beaters — plural of beater
先理解核心含义，再看它在真实句子里的用法。
驱赶猎物的人
a worker who rouses wild game from under cover for a hunter
The hunters hired a beater to drive the birds out of the bushes.
猎人们雇了一个赶鸟人，把鸟从灌木丛中赶出来。
敲打的人或物。
Someone or something that beats.
厨房用的搅拌器具。
A kitchen implement for mixing.
打击乐器用的敲击棒。
A stick used to play a percussion instrument.
狩猎活动中将猎物赶向射击者的人,通常与其他驱赶者一起工作。
A person who drives game towards shooters in a hunting party, typically working in a group with other beaters.
You can use a beater to mix the eggs and flour.
你可以用搅拌器把鸡蛋和面粉混合。
A hand beater is easier to clean than an electric mixer.
手动打蛋器比电动打蛋器更容易清洗。
He knocked the dust out of the rug with a wooden beater.
他用一把木制拍打器把地毯上的灰尘敲掉。
此义项指猎人的助手，负责惊起猎物；to do sth 表示其任务。
The hunters hired a beater to drive the birds out of the bushes.
猎人们雇了一个赶鸟人，把鸟从灌木丛中赶出来。
此义项指搅拌器；for 后接使用时针对的东西。常见复合词有 egg beater（打蛋器）。
I need a beater for the eggs.
我需要一个打鸡蛋用的搅拌器。
Not this
The beater shot a deer in the forest.
Use this
The hunter shot a deer in the forest.
beater 指打猎时负责把猎物从树丛中赶出来的人（驱赶猎物的人），并不是开枪或射杀猎物的人；开枪打猎的人应叫 hunter（猎人）。
Not this
She used beater to beat the eggs.
Use this
She used a beater to beat the eggs.
beater 是可数名词，单数形式前需要加不定冠词 a；汉语没有冠词，所以学习者容易漏掉。加上 a 后句子才符合英语语法。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
打蛋器
Use an egg beater to whisk the eggs until they are frothy.
用打蛋器把鸡蛋搅打至起泡。
地毯拍
She took the carpet beater outside to remove the dust from the rug.
她把地毯拍到外面去拍掉地毯上的灰尘。
驱赶猎物的猎人
The hunting beaters walked through the woods to flush out the pheasants.
驱赶猎物的猎人们穿过树林，把野鸡赶出来。
（吸尘器的）拍打杆
The vacuum cleaner's beater bar helps loosen dirt from the carpet.
吸尘器的拍打杆有助于松动地毯上的污垢。
出类拔萃的人或事物；举世无双者
Their new electric car is a real world-beater.
他们的新电动汽车确实出类拔萃。
（非正式）直升机
We took an egg-beater over the city to see the sights.
我们乘坐直升机飞过城市上空观光。
Use beaters naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
想象猎人用棍子拍打（beat）树丛惊起猎物，这个人就是 beater；同样能敲打的搅拌器也叫 beater。
语域：mixed 常见场景：hunting、kitchen、papermaking beater 的语体随词义变化：指驱赶猎物的人时多用于狩猎场合，较为中性；指搅拌器/打蛋器常见于厨房和日常口语；造纸用的打浆机则属于专业技术语境。实际使用时通常要结合搭配（如 game beater、egg beater）来判断语域。
Words with /ˈiːtə/ rhyme with beater: heater, cheater, eater, sweeter, and meter (which uses the spelling -eter). Sweater looks similar (ends in -eater) but is pronounced /ˈswetə/ with a short e, so it does not rhyme. Watch out for lookalikes like better /ˈbetə/ and batter /ˈbætə/, which have different vowel sounds.
Dictionary facts from ECDICT, WIKTIONARY.