triangle

B2 CET-4 高中 FREQ #7905 ★☆☆☆☆

n. 三角形, 三个一组, 三角关系 [医] 三角, 三角形

发音

UK /ˈtɹaɪəŋɡəl/
UK /ˈtɹaɪˌæŋɡəl/
US /ˈtɹaɪˌæŋɡəl/

词形变化

triangles 复数 triangles

别名

Trgl.

教材释义与例句

名词

三角（形）；三角关系；三角形之物；三人一组

a flat shape with three straight sides and three angles

a triangle of land

一块三角地

释义与例句

n. B2
  1. 1.

    A polygon with three sides and three angles.

    三角

    三角形

    数学
  2. 2.

    A set square.

    加拿大 美国
  3. 3.

    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.

    三角铁

    音乐
  4. 4.

    A triangular piece of equipment used for gathering the balls into the formation required by the game being played.

    体育 游戏
  5. 5.

    A love triangle.

    One of the writers' most pleasing inventions was to treat the triangle love story as comedy.

  6. 6.

    The structure of systems composed with three interrelated objects.

  7. 7.

    A draughtsman's square in the form of a right-angled triangle.

  8. 8.

    A frame formed of three poles stuck in the ground and united at the top, to which people were bound for corporal punishment.

    历史
  9. 9.

    Any of various large papilionid butterflies of the genus Graphium.

  10. 10.

    A triangular formation of railway tracks, with a curve on at least one side.

    交通

词汇关系

名词

同义词 1

trigon

上位词 4

form shape percussion instrument polygon

下位词 10

wedge acute-angled triangle acute triangle cuneus equilateral triangle isosceles triangle obtuse-angled triangle obtuse triangle right-angled triangle right triangle

相关短语

triangle inequality 三角不等式 triangle pose triangle test triangle wave 三角波 triangle waves triangle spider triangle spiders triangle tests triangle of life triangle group triangle groups Triangle Flat red triangle slug red triangle slugs danger triangle of the face

词源

PIE word *tréyes From Middle English triangle, from Old French triangle, from Latin triangulum, noun use of adjective triangulus (“three-cornered, having three angles”), from trēs (“three”) + angulus (“corner, angle”), equivalent to tri- + -angle.

来源：wiktionary