梯形 (tī xíng) — trapezoid (a quadrilateral with one pair of parallel sides); ladder shape

定義

例文

• 数学课上，老师画了一个梯形。
  Shù xué kè shàng, lǎo shī huà le yí gè tī xíng.
  In math class, the teacher drew a trapezoid.
• 这座建筑的窗户是梯形的。
  Zhè zuò jiàn zhù de chuāng hu shì tī xíng de.
  The windows of this building are trapezoid-shaped.
• 要计算梯形的面积，必须知道上底、下底和高。
  Yào jì suàn tī xíng de miàn jī, bì xū zhī dào shàng dǐ, xià dǐ hé gāo.
  To calculate the area of a trapezoid, you must know the top base, bottom base, and height.