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单词 galaxy
释义
gal·ax·y (gălək-sē)
n. pl. gal·ax·ies
1. Astronomy
a. Any of numerous large-scale aggregates of stars, gas, and dust that constitute the universe, containing an average of 100 billion (1011) solar masses and ranging in diameter from 1,500 to 300,000 light-years.
b. often Galaxy The Milky Way.
2. An assembly of brilliant, glamorous, or distinguished persons or things: a galaxy of theatrical performers.

[Middle English galaxie, the Milky Way, from Late Latin galaxiās, from Greek, from gala, galakt-, milk; see melg- in the Appendix of Indo-European roots.]
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