名词
中文翻译：Unknown
同义词：
['hair transformation', 'hair transition', 'hair change']
例句：
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1. She underwent a hair transformation to look more modern.
她经历了一次头发变换，看起来更现代。
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2. The hair transformation took several weeks to complete.
这次头发变换花了几周时间完成。
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3. During the hair transformation, she had to wear a wig.
在头发变换期间，她不得不戴假发。