A metal (from Ancient Greek μέταλλον (métallon) 'mine, quarry, metal') is a material that, when polished or fractured, shows a lustrous appearance, and conducts electricity and heat …

Metal, paper, and glass can be recycled. 金屬、紙張和玻璃都可以再利用。 Silver, gold, and platinum are precious metals. 銀、金和鉑都是貴重金屬。 The wooden beam is reinforced with …

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Oct 18, 2025 · Metal, any of a class of substances characterized by high electrical and thermal conductivity as well as by malleability, ductility, and high reflectivity of light. Approximately …

Metal是一个英语单词，主要用作名词、动词、形容词。 作名词时意思是“重金属音乐；金属色；筑路碎石；玻璃液”，作动词时意思是“用金属做，用金属包”，作形容词时意思是“金属制的”。

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Metal is a hard substance such as iron, steel, gold, or lead. ...pieces of furniture in wood, metal and glass. He hit his head against a metal bar. 2. See also base metal Collins COBUILD …

Sep 3, 2014 · The highlighted elements are considered the metal elements. Most elements on the periodic table are metals. They are grouped together in the middle to the left-hand side of the …

Definition of metal noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

1 day ago · MIT researchers adapted X-ray CT scanning from the medical field to study slag waste produced as a byproduct of ancient copper smelting.