triangle
三角形（tri+angle 角）
释义2：
triangle
/ 5traiANɡl /
◙ noun1. a plane figure with three straight sides and three angles• 三角形 »an equilateral triangle. 等边三角形。 a thing shaped like such a figure• 三角形物 »a small triangle of grass. 一小块三角形草地。 a situation involving three people or things, especially an emotional relationship involving a couple and a third person with whom one of them is involved• （尤指情感上的）三角关系 a musical instrument consisting of a steel rod bent into a triangle and sounded by being struck with a small steel rod• 三角铁（打击乐器） a frame used to position the pool balls in snooker and pool• （摆放斯诺克和落袋台球撞球位置的）三角框 [N. Amer.] a drawing instrument in the form of a right-angled triangle• [北美] 直角三角形三角板（绘图用具） (triangles)(historical)a frame of three halberds joined at the top to which a soldier was bound for flogging• [史] （系缚士兵以鞭打的）三戟刑具2. a small brownish Eurasian moth of oak and beech woods• 小型欧亚紫刺蛾（呈棕色，见于橡木及山毛榉林）3. Heterogenea asella, family Limacodidae• 拉丁名Heterogenea asella，刺蛾科【语源】
1. late Middle English: from Old French triangle or Latin triangulum, neuter of triangulus 'three-cornered' (see tri- , angle )
俄语/英语字母转换