动词中文翻译
中文翻译：硬化
同义词：
['harden', 'harden up例句：1. The road was so hardened by the rain that it was almost impassable.（雨水使这条路变得坚硬，几乎无法通行。）2. The old wooden bridge had been hardened by years of use.（这座老木桥因年久失修而变得坚硬。）3. The metal surface has hardened with age', 'becoming more resistant to scratches.（金属表面随着年龄的增长变得更加坚硬，对刮擦的抵抗力更强。）']
例句：
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1. The road was so hardened by the rain that it was almost impassable.
雨水使这条路变得坚硬，几乎无法通行。
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2. The old wooden bridge had been hardened by years of use.
这座老木桥因年久失修而变得坚硬。
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3. The metal surface has hardened with age, becoming more resistant to scratches.
金属表面随着年龄的增长变得更加坚硬，对刮擦的抵抗力更强。