twolinkn.两段线路
twonum.二;两个
Two-axle vehicle两轴车辆
two-line voltage双电压
two steps backward倒两步
two-rail trolley[机] 双轨吊运车
two-type society两型社会
two or three miles两三英里
two conductor plug两线插塞
two-hybrid yeast双杂交酵母
two-bath process二浴法
two jet carburetor双喷管化油器