1
a thrower of [object]
后接被投掷的具体对象；可指人或装置。
A thrower of knives needs a steady hand.
掷刀者需要手稳。
捻丝工
先理解核心含义，再看它在真实句子里的用法。
捻丝工
thrower
A thrower of knives needs a steady hand.
掷刀者需要手稳。
此处指纺织业中将蚕丝或人造丝长丝加捻成线或纱的工人，不是指投掷者。
投掷者
Someone who throws.
将丝或人造丝纤维捻成线或纱的人
a person who twists silk or rayon filaments into a thread or yarn
投掷物；投掷器
Something that throws.
投掷物体的人(尤其是快速挥动手臂)
someone who projects something (especially by a rapid motion of the arm)
The thrower checked the tension of the silk filaments before twisting them into thread.
捻丝工在把蚕丝纤维加捻成线之前检查了它们的张力。
She worked as a thrower at the textile mill for more than a decade.
她在纺织厂做了十多年的捻丝工。
A skilled thrower can join two rayon filaments so smoothly that the yarn looks continuous.
熟练的捻丝工能把两根人造丝纤维接得那么平滑，看起来就像一根连续的纱线。
后接被投掷的具体对象；可指人或装置。
A thrower of knives needs a steady hand.
掷刀者需要手稳。
用定冠词 the 表示双方都知道的特定角色。
In this drill, you are the thrower and I am the catcher.
在这个训练中，你是投掷者，我是接球者。
纺织业中该词指把丝线捻成线或纱的工人；不要按“投掷者”理解。
She works as a thrower in the silk mill.
她在丝绸厂当捻丝工。
Not this
He is thrower in the factory.
Use this
He is a thrower in the factory.
thrower 是可数名词单数，前面需要不定冠词 a/an。汉语没有冠词，所以容易漏掉；加上 a 才构成正确的名词短语 a thrower。
Not this
There are two thrower in the workshop.
Use this
There are two throwers in the workshop.
two 后接复数名词，thrower 的复数形式是 throwers。漏掉 -s 会让句子不合语法。
Not this
The throwers is in the workshop.
Use this
The throwers are in the workshop.
主语 the throwers 是复数，谓语要用复数形式 are，不能用 is。这是主谓一致错误。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
掷铁饼运动员
The discus thrower won a gold medal at the Olympics.
这名掷铁饼运动员在奥运会上赢得了金牌。
标枪运动员
A javelin thrower must stay within the runway when throwing.
标枪运动员投掷时必须待在助跑道内。
喷火器
The armored vehicle was equipped with a flame thrower.
这辆装甲车配备了喷火器。
飞刀手
The knife thrower impressed everyone with a perfect throw.
飞刀手用一记精准的投掷技惊四座。
投石者
The police arrested a stone thrower after the protest.
警方在抗议活动后逮捕了一名投石者。
捻丝工
In the past, a silk thrower twisted raw silk into thread.
过去，捻丝工把生丝捻成线。
Use thrower naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
thrower 是 throw（投掷）+ er（人），即投掷者。捻丝工也像把丝线抛向纱锭的人，联想“抛”字即可记住。
语域：formal 常见场景：textile industry、historical documents 这个义项指捻丝工，通常用于纺织工业或历史文献中，语气比较正式；作为“投掷者”的常用义项不属于本项分析。
与 thrower 押韵的有 slower、lower、mower、grower，它们都以 /oʊɚ/ 结尾。虽然 tower 和 power 拼写上也以 -ower 结尾，但发音是 /aʊɚ/，与 thrower 不押韵。
Dictionary facts from ECDICT, WIKTIONARY.