反射

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Character Breakdown

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.

Example Sentences

A mirror can reflect light.

Human eyes have a reflex response to light.

He showed extremely fast reflexes during the competition.