threespaceadj.立体的(空间的)threenum.三n.三；三个adj.三个的three elements of earth-quake地震三要素Three Gorges hydropower station三峡电站three-bladed helical agitator三叶式后掠桨three thousand and thirty three(=3033) 三千零三十三Three-levels collecting books三线典藏three thousand and eighty seven(=3087) 三千零八十七three-step listening training分段递进three-dimension slip velocity三维滑动速率three arguable points of law.三条法律上可以论证的要点three thousand and eighty eight(=3088) 三千零八十八