| 单词 | interstellar gas |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔accretion〕Astronomy An increase in the mass of a celestial object by the collection of surrounding interstellar gases and objects by gravity.【天文学】 吸积，天体增大：因重力吸引星际间的物质而引起天体的增大美国传统〔gravitational collapse〕The process by which stars, star clusters, and galaxies form from interstellar gas under the influence of gravity.引力坍塌：在引力影响下星际气体形成恒星、星云和星系的过程美国传统 |
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