Word · Frequency #22882
fallout
放射性沉降物；原子尘
核心释义
the radioactive particles that settle to the ground after a nuclear explosion
- 1.
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.
- 2.
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
- 3.
这些颗粒物本身。
The particles themselves.
- 4.
任何不利和不想要的次要影响
any adverse and unwanted secondary effect
- 5.
负面影响；不良或意外的后果。
A negative side effect; an undesirable or unexpected consequence.
- 6.
临时顶替的嘉宾,用于填补因未到场或临时取消的嘉宾空缺。
An impromptu guest used to fill in for another guest spot who is a no-show or who has cancelled last minute.
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。；核爆炸后沉降到地面的放射性微粒；这些颗粒物本身。；任何不利和不想要的次要影响；负面影响；不良或意外的后果。
用法In use
The documentary explained how radioactive fallout from a nuclear explosion can pollute water and soil.
用法提示：此处fallout作名词，意为“放射性沉降物”，在宾语从句中作主语。
People living near the nuclear power plant were told to stay indoors to avoid the radioactive fallout in the air.
用法提示：此处fallout作名词，作avoid的宾语，指“放射性沉降物”。
Scientists are still measuring the fallout that settled over the area decades ago.
用法提示：此处fallout作名词，作measure的宾语，意为“放射性沉降物”，后接that定语从句。
a strategy to contain the fallout from the accounting scandal
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。
相关词与表达Connections
搭配Collocations
- nuclear fallout
- 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。
- fallout shelter
- 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。
- fallout zone
- 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。
- exposure to fallout
- 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。
- fallout contamination
学习提示Learner notes
记忆技巧Memory Tip
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。
语境与语域Context & Register
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。
发音与拼写Pronunciation & Spelling
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.
用法优先级Usage priority
Collins 词频等级为 1，建议结合例句记忆，而不是只背中文释义。
一起学习词形Learn the forms together
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from ECDICT, WIKTIONARY.