noun🔗Share三角形 A polygon with three sides and three angles."The art teacher asked the students to draw different shapes, including triangles. "美术老师让学生们画不同的形状，包括三角形。mathfigureChat with AIVocabulary GamePractice Reading
noun🔗Share三角板，三角尺 A set square."The student used triangles to draw perfect right angles for his geometry project. "学生用三角板为他的几何项目画出完美的直角。stationerymathitemChat with AIVocabulary GamePractice Reading
noun🔗Share三角铁 A percussion instrument made by forming a metal rod into a triangular shape which is open at one angle. It is suspended from a string and hit with a metal bar to make a resonant sound."The orchestra included the bright, ringing sound of several triangles in the lively piece. "在充满活力的乐曲中，乐队加入了清脆响亮的几声三角铁。musicutensilsoundentertainmentChat with AIVocabulary GamePractice Reading
noun🔗Share三角框 (cue sports) A triangular piece of equipment used for gathering the balls into the formation required by the game being played."The cue sports players carefully arranged the triangles to position the balls correctly for the next game. "台球选手们小心翼翼地摆放着三角框，以便将球摆放到位，准备下一局比赛。sportgameutensilChat with AIVocabulary GamePractice Reading
noun🔗Share三角恋，三角关系 A love triangle."The new student's arrival created a triangles situation in the school's popular group. "新学生的到来在学校的风云人物圈子里造成了三角恋的局面。familysexChat with AIVocabulary GamePractice Reading
noun🔗Share三角关系，三角结构。 (systemics) The structure of systems composed with three interrelated objects."In family therapy, therapists often analyze family relationships as triangles, looking at how the emotional connection between two people is affected by, and affects, a third. "在家庭治疗中，治疗师经常把家庭关系分析成三角关系，观察两个人之间的情感连接如何受到第三个人的影响，以及如何反过来影响第三个人。systemstructuremathfiguretechnicalChat with AIVocabulary GamePractice Reading
noun🔗Share三角板，三角尺 A draughtsman's square in the form of a right-angled triangle."The student used two triangles and a ruler to draw a precise right angle on the graph paper. "那个学生用两块三角板和一把尺子在方格纸上画了一个精确的直角。stationerymathChat with AIVocabulary GamePractice Reading
noun🔗Share三角架，三脚架。 A frame formed of three poles stuck in the ground and united at the top, to which people were bound when undergoing corporal punishment.""In the historical drama, the prisoner was publicly humiliated, tied to the triangles in the town square." "在历史剧中，囚犯被公开羞辱，绑在了镇广场上的三脚架上示众。policehistorylawChat with AIVocabulary GamePractice Reading
noun🔗Share燕尾蝶, 三角箭 蝶. Any of various large papilionid butterflies of the genus Graphium."While hiking in the tropical rainforest, we spotted several triangles flitting among the trees, their distinctive markings making them easy to identify. "在热带雨林徒步时，我们看到好几只三角箭 蝶在树林间飞舞，它们独特的斑纹使它们很容易辨认。animalinsectbiologynatureChat with AIVocabulary GamePractice Reading
noun🔗Share三角线，三角形轨道。 A triangular formation of railway tracks, with a curve on at least one side."The train changed direction by using the triangles just outside the city, allowing it to switch lines without needing a turntable. "火车利用城外的三角线改变了方向，这样它无需转盘就能转换线路。technicalvehiclestructureChat with AIVocabulary GamePractice Reading
