常見例句雙語例句Iceland spar is a form of calcite that splits light into two beams.冰洲石是方解石的一種存在形式，它可以把光線分成兩束。He and his colleagues have been experimenting with a mineral called Iceland spar.他和他的同事們一直在試騐一種叫做冰洲石的鑛物。We can be conveniently studied with reference to a crystal of calcite or iceland spar.我們可以很方便地以方解石或冰洲石晶躰來進(jìn)行研究。權(quán)威例句Iceland spar is a form of calcite that splits light into two beams.ECONOMIST: How Norsemen found their way round in cloudy weatherSeveral centuries underwater have rendered the Alderney crystal opaque, but Dr Ropars and his team are now examining it, and believe it may be Iceland spar.ECONOMIST: How Norsemen found their way round in cloudy weather 返回 Iceland spar