翻译:直角三角形的侧边 同义词1)leg of a right triangle,直角三角形的侧边2)leg of a triangle,三角形的侧边3)quadrantaltriangle,直边三角形4)trirectangular quadrilateral,三直角四边形5)the three sides of a triangle,三角形的三条边6)the right-angled triangles with sides of integral length,整数边直角三角形