twonkn.<俚> 傻瓜;笨蛋(用于英国)
twonum.二;两个
two reboilers双再沸器
two-circuit双槽路,双路,双回路
two injection双缝射流
two-solvent双溶剂
two tube lens双筒透镜
two-hop-E第二E层波
two-shipper双机
two positions两阵地
two fold yarn双股线
two movements二次动作