twoshotn.双镜头拍摄(双人特写镜头)twonum.二；两个two-axis four-gimbal两轴四框架tworess of value duality价值二重性Two times two is four.二乘二等于四。two-colour photography双色摄影术Two-way timed automata双向时间自动机two-way phase switcher双向移相器two-stub transformator双心变压器two-photon J-C model量子光学two-way charging chute双叉式给料漏斗two times dividing crown二次分冠

1. A chair will not stand on two legs.
   椅子只用两条腿著地是立不住的。