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VERB
击退;驱逐
When an army repels an attack, they successfully fight and drive back soldiers from another army who have attacked them.
例句
They have fifty thousand troops along the border ready to repel any attack.
他们有5万人的部队驻扎在边境，随时准备击退任何进攻。
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V-RECIP
(磁极、电荷之间)排斥
When a magnetic pole repels another magnetic pole, it gives out a force that pushes the other pole away. You can also say that two magnetic poles repel each other or that they repel .
例句
Like poles repel, unlike poles attract...
同极相斥，异极相吸。
As these electrons are negatively charged they will attempt to repel each other.
因为这些电子都是带负电荷的，它们会互相排斥。
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VERB
使厌恶;使讨厌
If something repels you, you find it horrible and disgusting.
例句
...a violent excitement that frightened and repelled her.
使她恐惧和厌恶的强烈兴奋感