形容词
中文翻译：坚硬的
同义词：
['rigid', 'solid', "sturdy例句：1. The old tree isso bone-hard that it can't be cut down with a chainsaw.（这棵老树太硬了，不能用链锯砍倒。）2. Thecarpenter used aspecial glue to make the woodendoor strong and bone-hard.（木匠用一种特殊的胶水使木质门既坚固又坚硬。）3. The old house has been standingfor over a hundred years", 'but itstill stands strong and bone-hard.（这座老房子已经屹立了一百多年，但它依然坚固而坚硬。）']
例句：
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1. The old tree isso bone-hard that it can't be cut down with a chainsaw.
这棵老树太硬了，不能用链锯砍倒。
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2. Thecarpenter used aspecial glue to make the woodendoor strong and bone-hard.
木匠用一种特殊的胶水使木质门既坚固又坚硬。
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3. The old house has been standingfor over a hundred years, but itstill stands strong and bone-hard.
这座老房子已经屹立了一百多年，但它依然坚固而坚硬。