🔑dia·mondBrE/ˈdaɪəmənd/NAmE/ˈdaɪəmənd/noun🔑[U, C]aclearprecious stone of pure carbon, thehardestsubstanceknown. Diamondsareusedinjewelleryandalsoinindustry, especiallyforcuttingglass金刚石;钻石◆aringwithadiamondinit钻石戒指◆adiamondring/necklace钻石戒指/项链◆Shewaswearingherdiamonds(= jewellerywithdiamondsinit). 她戴着钻石首饰。◆Thelightsshonelikediamonds. 灯光像钻石一样闪闪发亮。➡ see alsorough diamond🔑[C]ashapewithfourstraightsidesofequallengthandwithanglesthatarenotright angles菱形
diamonds[pl., U]oneofthefoursuits (= sets) inapack/ deckofcards. Thecardsaremarkedwithreddiamondshapes(纸牌的)方块◆thetenofdiamonds方块十[C]acardofthissuit(一张)方块牌◆Youmustplayadiamondifyouhaveone. 如果你有方块就必须出。[C](inbaseball棒球) thespaceinsidethelinesthatconnectthefourbases; also used to mean the whole baseballfield内场;棒球场