High-value vocabulary
该词属于 Oxford 核心词汇，值得优先掌握常见搭配和句型。
先理解核心含义，再看它在真实句子里的用法。
any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc.
brass is an alloy of zinc and copper
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可生成：语法 Grammar、学习解释 Learner guide、例句 Examples。只有点击后才会开始生成。
any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc.
a mixture containing two or more metallic elements or metallic and nonmetallic elements usually fused together or dissolving into each other when molten
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该词属于 Oxford 核心词汇，值得优先掌握常见搭配和句型。
Collins 词频等级为 3，建议结合例句记忆，而不是只背中文释义。
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from ECDICT.