| 单词 | gold |
| 释义 | Word Frequency gold(ɡəʊld) noun 1. a. a dense inert bright yellow element that is the most malleable and ductile metal, occurring in rocks and alluvial deposits: used as a monetary standard and in jewellery, dentistry, and plating. The radioisotope gold-198 (radiogold), with a half-life of 2.69 days, is used in radiotherapy. Symbol: Au; atomic no: 79; atomic wt: 196.96654; valency: 1 or 3; relative density: 19.3; melting pt: 1064.43°C; boiling pt: 2857°C ▶ Related adjectives: aurous, auricb. (as modifier) a gold mine 2. a coin or coins made of this metal 3. money; wealth 4. something precious, beautiful, etc, such as a noble nature (esp in the phrase heart of gold) 5. a. a deep yellow colour, sometimes with a brownish tinge b. (as adjective) a gold carpet 6. archery the bull's eye of a target, scoring nine points 7. short for gold medal Word origin Old English gold; related to Old Norse gull, Gothic gulth, Old High German goldWord Frequency Gold(ɡəʊld) noun Thomas. 1920–2004, Austrian-born astronomer, working in England and the US: with Bondi and Hoyle he proposed the steady-state theory of the universe |
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