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rolling herd average 牛群年度平均产奶量
The average age of the boys in this class is fifteen. 本班男生的平均年龄是十五岁。
Chock the barrel up or else it will roll over. 用楔子塞住圆桶,不然它会滚过去。
We saw a herd of elephants yesterday. 昨天我们见到了一群大象。
The comedian soon had them rolling in the aisles. 那滑稽演员很快就逗得他们捧腹大笑。
The average output of the factory is 20 cars a day. 该工厂的平均产量是每天20辆汽车。
The national debts of that country are rolling up. 那个国家的国债在不断地增加。
The herdsman looks after a herd of animals. 牧人放牧着一群牲畜。
The children come galumph into the house like a herd of elephant. 孩子们像一群大象一样乱哄哄地闯进房子里。
He's a rolling stone and got no where all his life. 他见异思迁，毕生一事无成。
His income is well below the average. 他的收入大大低于平均水平。
Smoke was rolling up from the burning oil up smoke. 正在燃烧的汽油箱上浓烟滚滚。
We fail one student per year on average. 我们平均每年有一个学生不及格。
The slow steady roll of the ship made him sick. 轮船不停地缓慢摇晃使他感到不适。
The ship was rolling heavily to and fro. 那船晃来晃去很不平稳。
Meals average out at 5 per head. 膳食平均每人5英镑。
On average we receive five letters each day. 我们平均每天收到五封信。
Each household sold, on the average, two pigs. 平均每户交售了两口生猪。
The photographer took a photo of a herd of elephants. 这位摄影师拍了一张象群的照片。
Our reps make on average six calls day. 我们的销售代表平均每天打六次电话。