Defected 作为动词是 defect 的过去式和过去分词，意为“背叛”或“脱离”，通常指从某个团体、组织或国家中退出，特别是在政治或军事背景下。

1. 词汇解析：

词性：动词的过去式和过去分词

音标：[dɪˈfɛktɪd]

词义：表示某人或某事物从原有的阵营、立场、国家、组织等中脱离或背叛，通常具有消极或不忠诚的含义。

2. 英语释义：

If someone defected, they deserted or abandoned their previous group, country, or cause to join an opposing one.

3. 中文翻译：

过去式和过去分词：背叛、脱离、叛逃

4. 用法和例句：

After the war broke out, many soldiers defected to the enemy's side.
(战争爆发后，许多士兵背叛并投向敌人阵营。)

The athlete defected from his home country and sought asylum in a foreign nation.
(这名运动员从自己的祖国叛逃，寻求在外国的庇护。)

Several high-ranking officials defected during the revolution.
(革命期间，几名高级官员叛逃了。)

She defected from the communist party when she could no longer support its ideologies.
(当她再也无法支持共产主义思想时，她从该党脱离。)

The spy defected to the other side after completing his mission.
(间谍完成任务后背叛投向对方。)

The journalist defected to the West after receiving threats from the regime.
(这名记者在受到政权威胁后叛逃到了西方。)

The team suffered a major blow when one of their star players defected to a rival team.
(当他们的一名明星球员叛逃到对方队伍时，这支队伍遭受了重大打击。)

Some soldiers defected when they realized they were being sent to fight in an unjust war.
(当一些士兵意识到他们被派去打一场不公正的战争时，他们背叛了。)

The country faced internal turmoil when several military officers defected to the enemy.
(当几名军官叛逃到敌人阵营时，国家陷入了内部动荡。)

In the 1980s, many athletes from Eastern Bloc countries defected to the West for better opportunities.
(在20世纪80年代，许多来自东欧集团的运动员为了更好的机会，叛逃到了西方。)

5. 短语搭配：

Defect to: 投向、叛投

He defected to the rival team last year.
(他去年叛投到竞争队伍。)

Defect from: 从…脱离、背叛

She defected from the political party after the scandal broke.
(丑闻爆发后，她从政党脱离了。)

Defect during: 在…期间背叛

He defected during the revolution.
(他在革命期间叛逃。)

6. 常见错误：

将 defected 与 effected 或 infected 混淆。Defected 专指背叛、脱离等，而其他两个单词有不同的含义。