threespaceadj.立体的(空间的)
threenum.三n.三;三个adj.三个的
Three-board-mould structure三板模结构
three-phase six-wire system三相六线制
three-way rotational crossing三品种轮回杂交
Three hundred million years ago三亿年前
three-phase rotating armature丰本旋转电枢
three generations of the family这个家族的三代人
three thousand and seventy five(=3075) 三千零七十五
three-phase voltage unbalance三相电压不平衡
Three Departments met the Press三个部门会见新闻界
three-phase x-ray generator三相X线发生器