photon

• n. [物] 光子；辐射量子；见光度（等于light quantum）

词态变化

中文词源

phot-,光，-on,子，词源同ion,electron.

英文词源

photon (n.)

"unit of electromagnetic radiation," 1926 in modern sense, from photo- "light" + -on "unit."

双语例句

1. The chance that an electron absorbs more than one photon is negligible.

一个电子吸收一个以上的光子的机会是极少的.

来自辞典例句

2. A photon leaving the sun will be " retarded " by the sun's gravity.

离开太阳的光子因受太阳引力而 “ 减速 ”.

来自辞典例句

3. When a photon collides with a molecule, several things can happen.

当光子与一个分子碰撞时, 可发生几种情况.

来自辞典例句

4. The energy of the photon gives its color, or wavelength.

光子的能量决定了光子的颜色, 也就决定了它的波长.

来自辞典例句

5. As with the photon, material particles can be created and destroyed.

象光子一样, 实物粒子也可以产生和毁灭.

来自辞典例句