three pens三枝钢笔
threenum.三n.三;三个adj.三个的
three places across two shores两岸三地
three-dimension polarization三维极化
Three Heroes and Five Gallants
three-phase inverting source三相逆变电源
three-water conductive model三水导电模型
three level linear programming三层线性规划
three-dimensional adjustment三维平差
three-stage cylindrical gear三级齿轮传动
three hundred and thirty eight(=338) 三百三十八