permanent
/ˈpɝmənənt/
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adj. 永久的；長期的
- Some hair dyes are permanent, while others wash out after a few weeks. 有些染髮劑是永久性的，有些則幾個星期就會洗掉。
其他意思
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adj. 永久的, 長期的, 固定的
Something that is permanent lasts for ever.
- Heavy drinking can cause permanent damage to the brain.
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n.
A permanent is a treatment where a hair stylist curls your hair and treats it with a chemical so that it stays curly for several months.[AM]
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字根
man, main 停留
per + man + ent完全、穿過 + 停留 + 形容詞；人