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射线

射線
shèxiàn
noun #8,145

Measure Word

一条射线 tiáo

Meanings

  1. 1 ray (of light, radiation, etc.)
  2. 2 beam

Characters

射
shè
to shoot; to emit
线
xiàn
line; ray; thread
Something shot out in a line - a ray or beam.

Examples

HSK 6
紫外线是一种看不见的射线。
Zǐwàixiàn shì yī zhǒng kàn bùjiàn de shèxiàn.
Ultraviolet light is an invisible type of ray.
HSK 7-9
X射线可以穿透人体。
X Shèxiàn kěyǐ chuāntòu réntǐ.
X-rays can penetrate the human body.
HSK 7-9
宇宙射线来自太空深处。
Yǔzhòu shèxiàn láizì tàikōng shēnchù.
Cosmic rays come from deep space.

Tips

usage
射线 is the general scientific term for rays/radiation. Specific types include X射线 (X-rays), 紫外射线 (UV rays), and 宇宙射线 (cosmic rays). In math, 射线 also means a ray (a line extending infinitely in one direction).

Stroke Order

射 shè
线 xiàn