1
issue a callback for [product]
此义项为可数名词，复数形式为 callbacks；常用搭配有 issue / announce a callback (for sth)。
The manufacturer issued a callback for the faulty bike helmets.
制造商对有缺陷的自行车头盔发出了召回。
召回
先理解核心含义，再看它在真实句子里的用法。
召回
a manufacturer's request that a defective product be returned for repair or replacement
The manufacturer issued a callback for the faulty bike helmets.
制造商对有缺陷的自行车头盔发出了召回。
恢复先前状态；对先前状态的提及。
The return of a situation to a previous position or state; a reference to such a position or state.
回电；回拨电话(尤指自动回拨以验证计算机网络登录)。
A return telephone or radio call; especially one made automatically to authenticate a logon to a computer network.
产品召回(因缺陷或安全问题)。
A product recall because of a defect or safety concern.
回调函数；作为参数传递给另一函数的函数指针。
A function pointer passed as an argument to another function.
The company issued a callback for the faulty car seats.
公司对有问题汽车座椅发布了召回。
After receiving several complaints, the manufacturer announced a callback of all affected coffee makers.
收到多起投诉后，制造商宣布召回所有受影响的咖啡机。
Callbacks for defective tires are more common than you might think.
缺陷轮胎的召回比你想象中更常见。
此义项为可数名词，复数形式为 callbacks；常用搭配有 issue / announce a callback (for sth)。
The manufacturer issued a callback for the faulty bike helmets.
制造商对有缺陷的自行车头盔发出了召回。
There was a callback for the faulty coffee makers.
这些有缺陷的咖啡机被召回了。
Not this
The manufacturer callbacked the defective cars.
Use this
The manufacturer issued a callback for the defective cars.
callback 是名词，表示‘召回’，不可直接用作动词；应使用短语 issue a callback 或动词 recall。
Not this
The company announced a call back of the faulty products.
Use this
The company announced a callback of the faulty products.
call back 是动词短语，意为‘回电话’；表示‘召回’时名词应连写为 callback。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
发出召回通知
The car company issued a callback for the faulty airbags.
这家汽车公司对问题安全气囊发出了召回通知。
产品召回
The product callback covered more than a million units.
这次产品召回涉及超过一百万个产品。
召回通告
She received a callback notice in the mail.
她通过邮件收到了召回通告。
自愿召回
The company issued a voluntary callback for the defective toys.
该公司对有缺陷的玩具实行了自愿召回。
Use callback naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
把“call back”想成“打电话叫回来”：厂商把有缺陷的产品叫回来修理或更换，就是“召回”。
语域：formal 常见场景：product safety notices、manufacturer defect announcements、regulatory documents 此义项多用于正式的产品安全通告或监管报告，日常交流中较少用；更常见的词是 recall。
这些词都以 -back 结尾，发音末尾都是 /bæk/（在复合词中位于非重读位置）。它们与 callback 不构成严格韵词，只是拼写形近词；注意 callback 多出一个 /l/ 音，且重读元音不同。
Dictionary facts from ECDICT, WIKTIONARY.