“hard”的概念、定义、翻译、参考文献-科学参考

单词	hard
释义	hard [härd] ^MATERIALS Quality of a material that is compact, solid, and difficult to deform.
随便看	isotropy group isotypes isotypic isovalent conjugation isovalent hyperconjugation isovaleral isovaleraldehyde isovaleric acid isovel isovolumic isozyme ISP i-spin ISR Israel's theorem ISS isthmus Istiophoridae Isuridae itabirite itacolumite itaconic acid itatartaric acid IT calorie itch

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