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fallout from [source]
本义指核爆炸或核事故后沉降到地面的放射性微尘，通常不可数。
Fallout from the reactor leak spread across the region.
反应堆泄漏产生的放射性沉降物扩散到整个地区。
放射性沉降物；原子尘
先理解核心含义，再看它在真实句子里的用法。
放射性沉降物；原子尘
the radioactive particles that settle to the ground after a nuclear explosion
Fallout from the reactor leak spread across the region.
反应堆泄漏产生的放射性沉降物扩散到整个地区。
由于重大工业活动、火山喷发、沙尘暴、核爆炸等导致大量空气悬浮颗粒物落至地面的现象。
The event of small airborne particles falling to the ground in significant quantities as a result of major industrial activity, volcano eruption, sandstorm, nuclear explosion, etc.
核爆炸后沉降到地面的放射性微粒
the radioactive particles that settle to the ground after a nuclear explosion
这些颗粒物本身。
The particles themselves.
任何不利和不想要的次要影响
any adverse and unwanted secondary effect
The documentary explained how radioactive fallout from a nuclear explosion can pollute water and soil.
这部纪录片解释了核爆炸产生的放射性沉降物如何污染水源和土壤。
AI contextual example
People living near the nuclear power plant were told to stay indoors to avoid the radioactive fallout in the air.
住在核电站附近的人们被告知待在室内，以避免空气中的放射性沉降物。
AI contextual example
Scientists are still measuring the fallout that settled over the area decades ago.
科学家们仍在测量数十年前散落在该地区的放射性沉降物。
AI contextual example
a strategy to contain the fallout from the accounting scandal
一项遏制会计丑闻负面影响的策略
WordNet
本义指核爆炸或核事故后沉降到地面的放射性微尘，通常不可数。
Fallout from the reactor leak spread across the region.
反应堆泄漏产生的放射性沉降物扩散到整个地区。
引申义指事件带来的不良后果或影响，常用‘the fallout from …’结构。
The government faced the fallout from the failed policy.
政府面临政策失败带来的后果。
Not this
Radioactive dust will fallout onto the ground.
Use this
Radioactive dust will fall out onto the ground.
fallout是名词，不能用作动词。表示“落下、散落”时应用动词短语fall out。
Not this
The fallout from the test were dangerous.
Use this
The fallout from the test was dangerous.
fallout在这一物理义项中是不可数名词（物质名词），谓语动词应与单数形式搭配，所以用was而不用were。
Not this
The fallout in the explosion spread over the town.
Use this
The fallout from the explosion spread over the town.
表示“由爆炸产生的放射性沉降物”要用介词from来引出来源，不能用in；in表示在爆炸内部，不符合语义。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
核爆炸后的放射性尘埃
People were told to stay indoors to avoid nuclear fallout.
人们被告知待在室内以避免核爆炸后的放射性尘埃。
防辐射掩蔽所
During the Cold War, many families built fallout shelters in their backyards.
冷战期间，许多家庭在后院修建了防辐射掩蔽所。
放射性沉降区
The area downwind of the test site became a fallout zone.
试验场下风向的地区变成了放射性沉降区。
暴露于放射性沉降物
Long-term exposure to fallout can cause serious health problems.
长期暴露于放射性沉降物可能导致严重的健康问题。
放射性沉降物污染
The government monitored fallout contamination in crops.
政府监测了农作物中的放射性沉降物污染。
某事的后果或负面影响
The company is still dealing with the fallout from the scandal.
该公司仍在处理丑闻带来的后果。
政治后果；政治余波
The mayor faced political fallout after the controversial decision.
市长在做出有争议的决定后面临政治后果。
承受后果；承担不良影响
Workers suffered the fallout of the factory closure.
工人们承受了工厂倒闭的后果。
我闯入，重塑，在辐射落尘中抽身退出。
The documentary shows how nuclear fallout can contaminate the food chain.
这部纪录片展示了核辐射落尘如何污染食物链。
Use fallout naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
联想：炸弹爆炸后，放射性尘埃从空中“落下来”(fall out)散落地面，fallout就是这些沉降物。
语域：formal 常见场景：核物理讨论、科技报道、环境评估 该义指核爆炸后沉降到地面的放射性微粒，属于科技性较强的术语，通常见于核物理、环境科学或相关新闻报道；日常口语中较少使用。
These words all end with /aʊt/, matching the final sound of 'fallout' (/ˈfɔˌlaʊt/). But be careful: 'fault' (/fɔːlt/) and 'allot' (/əˈlɒt/) look similar in spelling but do not rhyme.
Dictionary facts from ECDICT, WIKTIONARY.