反射

fǎn shè

to reflect

HSK 6

漢字分解

Meaning and Usage

"反射" primarily means "to reflect," referring to the physical phenomenon where light, sound, or other waves bounce back from a surface. It is commonly used in scientific contexts, such as optics and acoustics.

It also refers to "reflex" or "reflex action," describing an automatic, involuntary response to stimuli, often used in biology or sports contexts.

Common Collocations

  • 反射 (reflected light): used when discussing light bouncing off surfaces.
  • 反射 (reflecting mirror): a mirror that reflects light.
  • 反射动作 (reflex action): involuntary physical response.

Usage Notes

When using 反射 to mean "reflect," it usually involves physical phenomena like light or sound. When referring to reflexes, it emphasizes quick, automatic responses, often in living beings.

Avoid confusing 反射 with related verbs like "反映" (to reflect in a figurative sense) or "" (to shoot or emit). 反射 always involves a bounce-back or return effect.

Register and Tone

The term is neutral and formal, often appearing in scientific, medical, or technical contexts. It is not typically used in casual conversation unless discussing these topics.

例文

镜子可以反射光线。

Jìngzi kěyǐ fǎnshè guāngxiàn.

A mirror can reflect light.

人的眼睛对光线有反射反应。

Rén de yǎnjīng duì guāngxiàn yǒu fǎnshè fǎnyìng.

Human eyes have a reflex response to light.

他在比赛中展现了极快的反射能力。

Tā zài bǐsài zhōng zhǎnxiànle jí kuài de fǎnshè nénglì.

He showed extremely fast reflexes during the competition.