On average each report requires 1,000 hours to prepare.准备一份报告平均需要1,000小时。Every tonne of coal contains, on average, 30 kilograms of nitrogen.每吨煤平均含30公斤氮.We received 20 calls a day on average.我们平均每天接到二十个电话....
Expression of the exogenous genes was confirmed by assay of � � - galactosidase and glucokinase activity.基因的表达通过β 半 乳糖苷酶和葡糖激酶活性测定得到确证.These genes encode sarcomere proteins that, when mutated, cause adult - onset cardiomy...
红人队选择了弃踢，达拉斯队随即跑出79码从而锁定胜局。The Redskins punted. Dallas then marched 79 yards to seal the victory.奥瑞克斯是一家设在达拉斯的石油和天然气勘探生产公司。Oryx is a Dallas-based oil and gas exploration and production concern.我们6点30分左右抵达拉斯维加斯。We landed ...