| 单词 | diamond |
| 释义 | diamond n 1 (a) [U, C] transparent precious stone of pure carbon in crystallized form, the hardest substance known 金刚石; 金刚钻; 钻石 a ring with a diamond in it 钻石戒指 [attrib 作定语] a diamond ring, necklace, etc 钻石戒指、 项链等. (b) [C] piece of this (often artificially made) used in industry, esp for cutting glass or as a stylus for playing records （常为人造的）工业用金刚石; （尤指）金刚石玻璃刀, 宝石唱针. 2 [C] figure with four equal sides and with angles that are not right angles 菱形. 3 (a) diamonds [sing or pl v] suit of playing-cards marked with red diamond shapes 红方块花色的纸牌 the five of diamonds 方块五 Diamonds is/are trumps. 方块为王牌. (b) [C] playing-card of this suit 方块牌 play a diamond 出一张方块. =>illus at playing-card 见playing-card之插图. 4 [C] (in baseball) space inside the lines connecting the bases （棒球）内野（四垒连线内的场地）. 5 (idm 习语) a rough diamond => rough1. |
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