1.There are three sizes of each Epsilon drive: 2 Amp, 3 Amp and 5 Amp, with the largest drive delivering up to 37 lb-in continuous torque.
有三种尺寸的每个小量驱动器：2安培，3安培和5安培的最大提供高达37磅的连续扭矩驱动器。
2.People who have acupuncture once a week lose an extra 4. 5 kg (10 lb) in three months.
每周做一次针灸理疗，这样持续上三个月便可减去4.5公斤（10磅）体重。
3.With a steady weight loss of 4 lb. in four weeks, she may win the prize money in 2010.
她的计划是每四周减掉4磅，坚持下去就有可能在2010年获得奖金。