Monica picked up her Biro and revolved it between her teeth.莫妮卡拿起她的伯罗圆珠笔，放在牙齿间转动着。You may write in biro or pencil.你用圆珠笔或铅笔书写均可.Laszlo Biro invented ball - point pen.拉斯烙-拜罗发明了圆珠笔....
应该用上面概述的测定容器皮重的方法.The principles outlined above for getting the tare weight of containers should be applied.净重: 总重扣除皮重后的重量.Net Weight: the gross weight less tare.皮重: 棉花包装材料的重量.Tare: the weight of cotton's packaging ...