Word · Frequency #4403
defect
叛变；变节；投敌
核心释义
to abandon one's loyalty or side, especially by leaving a military force or political party
- 1.
背叛或改变忠诚,尤其是从军事组织或政党
To abandon or turn against; to cease or change one's loyalty, especially from a military organisation or political party.
- 2.
逃离军队,逃避战斗
To desert one's army, to flee from combat.
- 3.
加入敌军
To join the enemy army.
- 4.
逃离国家并寻求庇护
To flee one's country and seek asylum.
逃亡；流亡国外寻求庇护；背叛或改变忠诚,尤其是从军事组织或政党；逃离军队,逃避战斗；加入敌军；逃离国家并寻求庇护
用法In use
The doctor found a small defect in the patient's heart valve.
用法提示：defect作可数名词，表示身体器官的缺陷。
This software has a critical defect that causes it to crash.
用法提示：defect作可数名词，表示产品中的故障或瑕疵。
His major character defect is his inability to trust others.
用法提示：defect作可数名词，表示抽象的性格缺点。
defect from sth
from 后接被背弃的组织、政党或国家。
Several officers defected from the army.
几名军官从军队叛逃了。
defect to sb/sth
to 后接投奔的一方，常指敌对方。
He defected to the enemy during the war.
相关词与表达Connections
搭配Collocations
- defect to the enemy
- 投敌；叛逃到敌方
- The general was accused of planning to defect to the enemy.这位将军被指控计划投敌。
- defect from the party
- 脱党；背弃政党
- Several members defected from the party after the scandal.丑闻之后，数名党员脱离了该党。
- defect to another country
- 叛逃到另一个国家
- The scientist defected to another country to escape arrest.这位科学家为逃避逮捕叛逃到了另一个国家。
- defect to the opposition
- 投靠反对派
- Two MPs defected to the opposition last week.上周两名议员投靠了反对派。
- defect from the army
学习提示Learner notes
记忆技巧Memory Tip
把 defect 想象成一名士兵在战场上扔下头盔、转身跑向敌方阵营，这就是叛变/投敌。
语境与语域Context & Register
语域：formal 常见场景：political news、military reports、historical accounts 动词 defect 多用于正式或书面语，常见于政治、军事或历史叙述中，表示‘叛变、投敌’或‘逃亡国外’；日常口语中较少使用。
语法说明Grammar Note
常与 from 或 to 连用，表示叛逃或投靠
发音与拼写Pronunciation & Spelling
按所给发音 /ˈdifɛkt/，这些常用词都不能与它押韵，主要是拼写参考。effect、infect、reflect、collect、detect 都以重读元音 /ɛ/ 加 /kt/ 结尾，彼此可成韵；perfect 读 /ˈpɜːrfɪkt/，与 -fect 拼写相似但音不同，是典型的“看拼写猜读音”陷阱。
用法优先级Usage priority
Collins 词频等级为 2，建议结合例句记忆，而不是只背中文释义。
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Dictionary facts from ECDICT, WIKTIONARY, WORDNET.