相关单词近义词 right-angled triangle 直角三角形反义词oblique triangle, 斜三角形临近词right, right ear相似词right on, right on the button idiom, right to die, right to life, right you are! idiom, (right) down to idiom, (right) on the money idiom, right, left, and centre idiom, 返回 right triangle