四sei3邊bin1形jing4

English

1. (geometry) quadrilateral
2. quadrilateral

粵語 — Cantonese

1. 四條邊嘅多邊形，包括正方形、長方形、平行四邊形、梯形、菱形同鷂形等等（量詞：個）

Examples

• 平行四边形的对边平行。

  The opposite sides of a parallelogram are parallel.

  Tatoeba · SbrAkr CC BY

• 平行四邊形是由兩組平行線組成的四邊形。

  A parallelogram is a quadrilateral formed from two sets of parallel lines.

  Tatoeba · nickyeow CC BY

• 一般四邊形的面積無法表示為其邊長的函數。

  The area of a general quadrilateral cannot be written as a function of its side lengths.

  Tatoeba · LeviHighway CC BY