目前使用氧化钙复合的镁基脱硫剂较为合理.It is rational to use complex desulphurization agent for pretreating hot metal.石灰石中氧化钙的理论含量占56%.The theoretical content of CaO in limestone accounts for 56 %.氧化钙较碳酸钙能中和胃酸.Calcium oxide can neutralize ...
He knew that his hearers wanted to hear this story.他知道自己的听众想听这个故事。The strange stories gripped the hearers'attention.这些奇妙的故事抓住了听众.He was shocked by the violent reactions of some of his hearers.听众中一部分人的强烈反应令他震惊....
A few earthworms have been reported from the South Shetland Islands in Antarctica.少数蚯蚓曾发现于南极洲的南塞得兰岛.Earthworms burrow deep into the soil.蚯蚓钻土很深。Rolling on earthworms or dead bugs, for example, is a popular dachshund past...
他们对着地图细看了许久也没能找到那个叫达罗比的地方的影踪。They have spent ages looking at the map and can't find a trace of anywhere called Darrowby.代达罗斯在克里特岛的克诺索斯避难.弥诺斯国王极为乐意地接纳了这位多才多艺的工匠.Daedalus took refuge in Gretan Cnossus , where King Min...