圆柱 (yuán zhù) — cylinder (in geometry); cylindrical column or pillar

定義

例文

• 这个圆柱的体积怎么计算？
  Zhè ge yuán zhù de tǐ jī zěn me jì suàn?
  How do you calculate the volume of this cylinder?
• 古代建筑常用圆柱作为支撑结构。
  Gǔ dài jiàn zhù cháng yòng yuán zhù zuò wéi zhī chēng jié gòu.
  Ancient buildings often used cylindrical columns as supporting structures.
• 工厂生产了很多金属圆柱。
  Gōng chǎng shēng chǎn le hěn duō jīn shǔ yuán zhù.
  The factory produced many metal cylinders.