单词	triangle
释义	triangletriangle /ˈtraɪˌæŋgəl/ ●●● noun [countable] Etymology ETYMOLOGYtriangle Origin: 1300-1400 Latin triangulum, from tri- ( ➔ TRI-) + angulus angle 1 math, geometry a flat shape with three straight sides2something that is shaped like a triangle3eng. lang. arts a musical instrument made of metal bent in the shape of a triangle, that you hit to make a ringing sound4math, geometry a flat plastic object with three sides that has one angle of 90° and is used for drawing angles → see also love triangle
随便看	sag saga sagacious sagaciously sagacity sage sagebrush sagely saggy Sagittarius saguaro Sahara, the Sahel said sail sailboard sailboarder sailboarding sailboat sailing sailing ship sailor sailor suit saint Saint Andrew

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