以工业氧化铝 、 结合粘土 、 蓝晶石等为原料,应用聚苯乙烯球烧先注和可塑成形法研制成功了耐火隔热砖. The refractory insulating bricks were produced , taking alumina, soft clay, cyanite al as raw materials.
Myra Cunningham sent me a note thanking me for dinner.迈拉·坎宁安给我寄了张便笺感谢我招待的晚餐。Will you please connect me with Mr. Cunningham's office?请接康宁海先生的办公室好 吗 ?Mr Cunningham was a capable man.坎宁先生是个能干的人....
Chris unhooked the shutters and went out on the balcony.克里斯拉开百叶窗，走到了阳台上。In mid-afternoon, shopkeepers began to roll down their shutters.下午三时左右，店主们开始放下百叶窗。Shopkeepers closed their shutters as a mark of respect.店主们暂时停业以示敬意...
He gave money to the World Health Organisation to help defeat smallpox.他向世界卫生组织提供资金以帮助消灭天花。In 1742 he suffered a fatal attack of smallpox.1742年,他染上了致命的天花.A new outbreak of smallpox occurred in 1928.1928年爆发了新一轮的天花....