铜绿假单胞菌, 大肠埃希菌, 克雷伯菌属及真菌是主要致病菌.Pseudomonas aeruginosa, Escherichia coli , Klebsiella pneumoniae and fungi were the main pathogens.G~+球菌占12.9%, 念珠菌属占14.1%.Gram - positive cocci were found in 12.9 %. Candida spp was present...
Computerized reservation systems help airline profits in several ways...电子订票系统通过多种方式帮助航空公司获利。My reservation is supposed to be a double beded room, but this is a twin.我预约的是两张单人床的房间, 但这间是双人的.Seventeen thousand Indians live...
He quenched his thirst with a long drink of cold water.他喝了好多冷水解渴。I quenched my thirst with a glass of cold beer.我喝了一杯冰啤酒解渴.Hot steel is quenched to harden it.烧热的钢放入水中骤冷使之坚硬....
The sand martin is a brown bird with white underneath.崖沙燕是一种褐羽白腹的鸟。At one point a bird trilled in the Conservatory.有那么一刻，一只鸟儿在温室里啼叫。Among the most spectacular sights are the great sea-bird colonies.庞大的海鸟群是最壮观的景象之一。...