That table measures ten feet by five.那个工作台长10英尺，宽5英尺。

 The traditional pattern of classroom teaching at the college level brings the professor and a group of 20 to 30 students together for a 45-to-50-minute class session two or three times a week.由一个教授和二三十名学生每周会晤两三次，每次授课时间45到50分钟，是大学程度课堂教学的传统方式。

 There are 203817 voters on the electoral rolls.选举名单上有203817个投票人。

 Nearly thirty thousand voters took part in this election.近3万个投票人参加了这次选举。

 3rd March l991或3March l991；

 a discount of 5 percent.5%的折扣

 purchased 7 yards of carpet.买7码地毯

 ordered 2 pounds of minced steak.订购2磅剁碎的肉

 about five miles per hour.每小时大约5英里

 at least ten yards away.至少有10码远

 hesitated for a moment or two.犹豫了片刻

 I have warned you a hundred times.我已经警告你多少遍了

 At 1east two-thirds of the class have had colds. 这个班至少有三分之二的学生患感冒。

 Nitrogen forms about four-fifths of the atmosphere. 氮约占大气的五分之四。

 The new engine has a capacity of 4.3liters and a power out-put of 153 kilowatts at 4400 revolutions per minute.这台新发动机的容积为4.3升，转速为每分钟4400转时输出功率是153千瓦。

 We know that the weight of a cubic foot of air at 0oC and 760mm，pressureis 0.08l pound, or 12 cubic feet of air weigh a pound.

　我们知道，1立方英尺的空气在0摄氏度和760毫米汞柱压力下，重量是0.081磅，也就是说12立方英尺空气的重量是1磅。