| 单词 | brass |
| 释义 | Word Frequency brass(brɑːs) noun ▶ Related adjective: brazen1. an alloy of copper and zinc containing more than 50 per cent of copper. Alpha brass (containing less than 35 per cent of zinc) is used for most engineering materials requiring forging, pressing, etc. Alpha-beta brass (35–45 per cent zinc) is used for hot working and extrusion. Beta brass (45–50 per cent zinc) is used for castings. Small amounts of other metals, such as lead or tin, may be added Compare bronze (sense 1)2. an object, ornament, or utensil made of brass 3. a. the large family of wind instruments including the trumpet, trombone, French horn, etc, each consisting of a brass tube blown directly by means of a cup- or funnel-shaped mouthpiece b. (sometimes functioning as plural) instruments of this family forming a section in an orchestra c. (as modifier) a brass ensemble 4. a renewable sleeve or bored semicylindrical shell made of brass or bronze, used as a liner for a bearing 5. (functioning as plural) informal important or high-ranking officials, esp military officers the top brass See also brass hat 6. Northern England dialect money where there's muck, there's brass! 7. British an engraved brass memorial tablet or plaque, set in the wall or floor of a church 8. informal bold self-confidence; cheek; nerve he had the brass to ask for more time 9. slang a prostitute 10. (modifier) of, consisting of, or relating to brass or brass instruments a brass ornament a brass band Word origin Old English bræs; related to Old Frisian bres copper, Middle Low German bras metal |
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