Level 5 · word 7,800 of 20,000
photon
/ˈfoʊˌtɑːn/
American
- n. 光子, 光量子
- Definition
- n. a tiny particle of light or other electromagnetic energy
- Example
- A single photon of light can trigger the sensor.
- 一个光子就能触发这个传感器。
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