| 释义 |
DEFINITIVE EXAMPLES 权威例句〔Seyfert galaxy〕A spiral galaxy with a small, compact, bright nucleus that exhibits variable light intensity and radio-wave emission.塞弗特星系:有小的、紧密的、明亮的核的且表现出不同光强度和无线电波发射的螺旋星系美国传统〔spiral galaxy〕A galaxy having a spiral structure.旋涡星系,螺旋星系:具有螺旋形结构的星系美国传统 |