| 单词 | gamma |
| 释义 | gamma n. 1. the third letter of the Greek alphabet. 2. a third-class mark given for a piece of work or in an examination. 3. Astron. the third brightest star in a constellation. 4. the third member of a series. Phrases and idioms gamma radiation (or rays) electromagnetic radiation of very short wavelength emitted by some radioactive substances. Etymology: ME f. Gk |
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