Calcium carbonate occurs in the allomorphs calcite and aragonite.同质异晶的方解石和文石中含有碳酸钙.And some calcite - secreting organisms also add magnesium to the mix.有些分泌方解石的生物,会在分泌物中加入镁.The chemical composition of the melo shell is c...
In her view, war is simply a legalised form of butchery.在她看来，战争只不过是一种合法化的屠杀。They were the years that Fifa , the world governing body, legalised hope.在那些年里, 国际足联一直致力于把这种机会合法化.In surveys, more than 80 % of Britons say assi...
They okayed the proposal yesterday.昨天他们批准了这项提案.His ear okayed the sounds as the engine warmed up.他的耳朵听出发动机预热时发出的声音是正常的.Smith's report was not officially okayed by the War Department for Release until July 9.史密斯的报告于7...
当我们下定决心面对世界上所有事物，包括荆棘难题，就已经打赢了半场战役。We win half the battle when we make up our minds to take the world as we find it, including the thorns. 经理在半场时把几名队员换下了场.At half - time the manager swapped some of the players around.半场时...
It is all around with iron wire, guardrail window and door.旅馆四周被带刺的铁线围着, 窗户和门口都有围栏.Highway guardrail, sports venues fence, the road network of green belt protection.高速公路护栏, 体育场所围网, 马路绿化带防护网.Their car crashed into a guard...