| 单词 | supergiant star |
| 释义 | supergiant star [¦sü·pǝr`gī·ǝnt `stär] ASTRONOMY A member of the family containing the intrinsically brightest stars, populating the top of the Hertzsprung-Russell diagram; supergiant stars occur at all temperatures from 30,000 to 3000 K and have luminosities from 104 to 106 times that of the sun; the star Betelgeuse is an example. |
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