形容词 three-ply:

1. having a thickness made up of three layers or strands

threesn.祝你走运threenum.三n.三；三个adj.三个的three-cell三元three themes三大主题three caving三雕three speech三言threecircuitadj.三调谐电路的three valued三值的Three Estate三个等级; 三个等级three-foldadj.三倍的three houses三座房宅three grades三品