短語詞組短語Three Points Triangle 三點三角形three tri triangle 三角形Three - tri- triangle 三角形three types coefficient triangle 三項式系數(shù)三角three -node triangle element 三結點三角形單元Three ropes make a triangle 三條繩子拼成一個三角形triangle of three points 三點形Triangle Has Three Sides 三角形有三條邊 返回 three triangle