1
sustained + noun
形容词作定语，修饰名词。
The company reported sustained growth.
该公司报告了持续增长。
持续的；不间断的
先理解核心含义，再看它在真实句子里的用法。
持续的；不间断的
Continuing at the same level without stopping.
The company reported sustained growth.
该公司报告了持续增长。
持续保持在某一水平。
Held continuously at a certain level.
保持在一定音高。
Held at a certain pitch.
Successful language learning depends on sustained practice every day.
成功的语言学习依赖于每天持续的练习。
The athlete's sustained training led to a new personal best.
这位运动员的持续训练带来了新的个人最好成绩。
The charity relies on the sustained support of local volunteers.
这家慈善机构依靠当地志愿者持续的支持。
形容词作定语，修饰名词。
The company reported sustained growth.
该公司报告了持续增长。
系表结构，表示状态持续。
The improvement in sales has been sustained.
销售方面的改善一直持续。
Not this
We need to maintain a sustained development.
Use this
We need to maintain a sustainable development.
sustained表示“持续的”，而sustainable表示“可持续的”。在谈论发展时，应使用sustainable development来表达“可持续发展”的概念。
Not this
He is a sustained worker.
Use this
He is a persistent worker.
sustained通常用来修饰持续的状态或行为，如sustained effort（持续的努力），而不直接修饰人。表示人“坚持不懈”应使用persistent或dedicated。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
持续的努力
The project's success was due to sustained effort over several years.
该项目的成功归功于多年持续的努力。
持续增长
The company reported sustained growth in revenue for the fifth consecutive quarter.
该公司报告收入连续第五个季度持续增长。
持续关注
The lecture required sustained attention from the audience for two hours.
这场讲座要求听众持续关注两小时。
持续的掌声
The performer received sustained applause at the end of the show.
表演者在演出结束时获得了持续的掌声。
持续的压力
The team faced sustained pressure from the opposing defense throughout the game.
整场比赛，该队都面临对方防守的持续压力。
持续发展
Sustained development requires a balance between economic growth and environmental protection.
持续发展需要经济增长与环境保护之间的平衡。
持续的努力
The team's sustained effort led to their success.
团队持续的努力带来了成功。
持续增长
The economy has experienced sustained growth for five years.
经济已经持续增长了五年。
持续的掌声
The performer received sustained applause from the audience.
表演者获得了观众持续的掌声。
Use sustained naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
联想' sustain '（支撑），加上'ed'表示被支撑的状态，即持续不变的。
语域：mixed 常见场景：学术写作、新闻报道、正式演讲 通常用于正式或书面语境，但在日常描述中也可使用。
All listed words rhyme with 'sustained' (/səsˈteɪnd/): they share the stressed vowel and following sounds /ˈteɪnd/. The common spelling chunk '-tained' corresponds to the rhyme.
Dictionary facts from ECDICT, WIKTIONARY, WORDNET.