射线 (shè xiàn) — ray (in physics, geometry, or as in X-ray)

Definition

Examples

• 太阳发出的射线照在地球上。
  Tài yáng fā chū de shè xiàn zhào zài dì qiú shàng.
  The rays from the sun shine on the earth.
• 医生用射线给病人做检查。
  Yī shēng yòng shè xiàn gěi bìng rén zuò jiǎn chá.
  The doctor uses rays to examine the patient.
• 数学里的射线从一点出发。
  Shù xué lǐ de shè xiàn cóng yì diǎn chū fā.
  A ray in math starts from a point.