1
relaunch sth
relaunch 作及物动词，直接跟宾语，表示重新推出或重新启动某事物。
The company plans to relaunch the product next month.
公司计划下个月重新推出这款产品。
重新启动；重新发射；重新推出
relaunched — past of relaunch
先理解核心含义，再看它在真实句子里的用法。
重新启动；重新发射；重新推出
to launch something again; to restart or reintroduce a product, campaign, or activity
The company plans to relaunch the product next month.
公司计划下个月重新推出这款产品。
重新发射；重新启动。
To launch again.
relaunch
Base
原形
relaunches
3rd person
第三人称单数
relaunching
-ing
现在分词
relaunched
Past
过去式
relaunched
Past participle
过去分词
They relaunch the rocket after every test failure.
每次试射失败后，他们都会重新发射火箭。
The company is relaunching its app this month.
这家公司本月正在重新推出其应用。
We have relaunched the campaign with new ads.
我们已经用新的广告重新启动了这项活动。
relaunch 作动词表示重新发射、重新启动或重新推出；它是规则动词，过去式和过去分词均为 relaunched。
The company is relaunching its popular snack with a new recipe.
这家公司正在以新配方重新推出其广受欢迎的零食。
The library relaunched its mobile app after fixing several bugs.
图书馆在修复了几个漏洞后重新推出了其移动应用。
We have relaunched the old train line between the two cities.
我们已经重新开通了两座城市之间的旧铁路线。
relaunch 作及物动词，直接跟宾语，表示重新推出或重新启动某事物。
The company plans to relaunch the product next month.
公司计划下个月重新推出这款产品。
用 as 引出新的形式或定位，常用于改变面貌或方向的重新推出。
They relaunched the newspaper as a weekly magazine.
他们把这份报纸重新打造为周刊。
名词形式，常与 the ... of ... 搭配，表示重新推出、重新开张等动作或事件。
The relaunch of the brand was a big success.
该品牌的重新上市取得了巨大成功。
Not this
They relaunched for the product after the update.
Use this
They relaunched the product after the update.
这里受中文“为产品重新发布”的影响，误加了介词 for。relaunch 是及物动词，直接跟被重新发布的对象作宾语，不能加 for；for 表示目的或受益者，会改变句意。
Not this
The product relaunched by the company last week.
Use this
The product was relaunched by the company last week.
by the company 说明这是被动语态，但句子缺少 be 动词。英语被动语态的结构是 be + 过去分词，这里必须加上 was 才能构成正确的被动式；不能照中文“产品重新发布”那样用主动形式。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
重新推出产品
The company will relaunch the product with improved features next month.
公司将于下个月以改进的功能重新推出该产品。
重新推出品牌
They hired a new agency to relaunch the brand overseas.
他们聘请了一家新代理机构在国外重新推出该品牌。
重新上线网站
After months of design work, we finally relaunched the website.
经过数月的设计工作，我们终于重新上线了网站。
重新发起活动
The nonprofit decided to relaunch the campaign after public interest grew.
在公众兴趣增加后，这家非营利组织决定重新发起这项活动。
重新发布应用程序
The startup relaunched its app to fix the security issues.
这家初创公司重新发布了其应用程序以修复安全问题。
Use relaunched naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
re-（再次）+ launch（发射）→ 失败后重新发射火箭，引申为产品重新上市。
语域：neutral 常见场景：business and marketing、media and entertainment、technology and product development 「relaunch」比较常见于商业、媒体和科技语境，通常表示重新推出或重新启动；具体意思要看宾语（产品、网站、火箭等），语气总体中性。
launch、haunch、staunch、paunch 与 relaunch 重读元音 /ɔː/ 和词尾 /ntʃ/ 一致，押韵。blanch 和 branch 拼写相似，但读作 /ɑː/（美式英语中为 /æ/），并不押韵。
Dictionary facts from ECDICT, WIKTIONARY.