photon

• n. [物] 光子；輻射量子；見光度（等於light quantum）

phot-,光，-on,子，詞源同ion,electron.

photon (n.)

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

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

一個電子吸收一個以上的光子的機會是極少的.

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

離開太陽的光子因受太陽引力而 “ 減速 ”.

來自辭典例句

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

當光子與一個分子碰撞時, 可發生幾種情況.

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

光子的能量決定了光子的顏色, 也就決定了它的波長.

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

象光子一樣, 實物粒子也可以產生和毀滅.

來自辭典例句