Grammar Note
作“钻石/宝石”讲时可数，复数 diamonds；作“金刚石/物质”讲时不可数。
钻石；金刚石
先理解核心含义，再看它在真实句子里的用法。
钻石；金刚石
a very hard, transparent precious stone, or the substance it is made from, used in jewellery
Her engagement ring has a small diamond in the center.
她的订婚戒指中央镶着一颗小钻石。
既可指宝石，也可指矿物本身
一种闪闪发光的玻璃状矿物,是碳的同素异形体,其中每个原子被四个其他原子以四面体形式包围。
A glimmering glass-like mineral that is an allotrope of carbon in which each atom is surrounded by four others in the form of a tetrahedron.
经过切割和抛光并被视为珍贵宝石的透明钻石
a transparent piece of diamond that has been cut and polished and is valued as a precious gem
由这种矿物制成的宝石。
A gemstone made from this mineral.
作为宝石的极硬天然结晶碳
very hard native crystalline carbon valued as a gem
The museum displayed a collection of diamonds from different countries.
博物馆展出了一批来自不同国家的钻石。
The jeweler showed us a diamond that sparkled under the light.
珠宝商给我们看了一颗在灯光下闪闪发光的钻石。
Choose the next layer that will help you use diamond with more confidence.
Recommended next
Includes Usage patterns & Collocations
Learn how to use this word with grammar patterns and natural collocations.
Includes Common mistakes & Confusing words
See typical errors learners make and confusing words to avoid.
More ways to explore
Includes Synonyms & Antonyms
Expand your vocabulary with synonyms and antonyms.
Includes Spelling & sound
Explore words with similar spelling endings or sounds.
Includes Word components & Thematic vocabulary
Learn how to build related words using roots, prefixes, and thematic clusters.
Includes Idioms & Cultural references
Discover idioms, slang, and famous pop culture quotes.
Includes Context & register & Memory tip
Analyze the context and learn memory tricks to remember it.
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
Use diamond naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
作“钻石/宝石”讲时可数，复数 diamonds；作“金刚石/物质”讲时不可数。
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 2，建议结合例句记忆，而不是只背中文释义。
Dictionary facts from ECDICT, WIKTIONARY.