two pln.对讲电话线
twonum.二;两个
two-sidedness两面性
two-phase jet两相射流
two-tube lens双筒透镜
two-motor car双电动机车
two-way drive双向传动
two decker cage双层式罐笼
two summers ago两年前
two-specialty双专业
two step method二步法
two out of fiveadj.五中取二的