trigonometry

IPA/ˌtrɪɡəˈnɒmətri/
IPA/ˌtrɪɡəˈnɑːmətri/

trigonometry — 名詞

1. a branch of mathematics that studies how the angles and side lengths of triangle

1.名詞B2
釋義

三角學

研究三角形邊角關係的數學

a branch of mathematics that studies how the angles and side lengths of triangles are connected, often used to calculate distances or heights that are difficult to measure directly

例句

Sumin found trigonometry difficult at first but improved after practising the formulas every day.

Sumin 起初覺得三角學很難，但每天練習公式後進步了。

personal experience + practice collocation

The surveyor used trigonometry to estimate the height of the bridge across the river.

測量員利用三角學來估算橋樑橫跨河面的高度。

used + noun to [verb] — purpose structure

常見搭配
  • trigonometry class
  • trigonometry problem
  • trigonometry formula
  • trigonometry homework
  • study trigonometry
  • learn trigonometry
  • use trigonometry

用法筆記

Commonly used as an uncountable noun; you study trigonometry as a subject, not 'a trigonometry'. Frequently abbreviated informally to trig in spoken English (e.g., 'I have a trig test tomorrow').

常見錯誤

I enrolled in a trigonometry.
I enrolled in a trigonometry course.
trigonometry is uncountable and cannot directly follow 'a'.

同根字

  • trigonometric
    形容詞B2
  • trigonometrical
    形容詞C1
  • trig
    名詞B2

常見搭配

名詞搭配

  • trigonometry class
  • trigonometry problem
  • trigonometry formula
  • trigonometry homework
  • trigonometry exam
  • trigonometry textbook

常用片語

  • study trigonometry
  • learn trigonometry
  • do trigonometry
  • take trigonometry
  • use trigonometry

介系詞搭配

  • in trigonometry
  • of trigonometry