triangleKK [ˋtraɪˏæŋgəl] /ˈtɹaɪˌæŋɡəl/发音名词1三角形The three angles of a triangle always add up to 180 degrees.三角形的三个内角和一定是一百八十度。2三角形物体、三角区She cut the sandwiches into neat little triangles.她把三明治切成一个个整齐的小三角形。3三角关系The novel centers on a love triangle between three old friends.这部小说围绕著三个老朋友之间的三角恋情展开。4三角铁乐器He tapped the triangle lightly at the end of each phrase.每个乐句结束时,他都轻敲一下三角铁。5三角板、三角尺Use a triangle and ruler to draw the parallel lines accurately.用三角板和尺规把平行线画准确。用这个字练口说→