射线

射線

shèxiàn

noun #8,145

Measure Word

一条射线 tiáo

Meanings

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

Characters

to shoot; to emit

line; ray; thread

Something shot out in a line — a ray or beam.

Examples

X射线可以穿透人体。

X Shèxiàn kěyǐ chuāntòu réntǐ.

X-rays can penetrate the human body.

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.

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