twoscoreadj.四十的n.四十四十个(的).twonum.二；两个two-dimensional cascade二元叶栅two-circuit transformer双绕组变压器two-beam interferometry双光束干涉量度学,双光束干涉测量学two storey bridge desking双层桥面Two-way Referral System双向转诊two-dimensional current二元流two-chamber legislature两院制议会two hundred and sixty two(=262) 二百六十二two tier licensing system两级发牌制度two-bath chrome tannage[化] 二浴法; 二浴法鞣革