单词	ironsand
释义	ironsand /ˈʌɪənsand / noun [mass noun] NZ Dark sand rich in iron ore, found on some western beaches on New Zealand’s North and South Islands: they applied to search for ironsand along the coast... The company uses locally sourced ironsand to produce around 650,000 tons of steel a year. Nationwide, they have been other, more successful attempts, to harness the hidden treasures found in ironsand. In 1914, a young mining engineer experimented with an idea to process coal and ironsand to produce iron. Origin Late 18th century: from iron + sand.
随便看	jumper cable jumper lead jumper wire jump for joy jumpily jumpiness jumping bean jumping gene jumping jack jumping mouse jumping-off place jumping-off point jumping plant louse jumping spider jump instruction jump into bed with jump in with both feet jump jet jump jockey jump lead jump off jump on jump on the bandwagon jump (or be thrown) in at the deep end jump (or leap) to conclusions (or the conclusion)

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