| 单词 | gas tail |
| 释义 | > as lemmasgas tail gas tail n. Astronomy a tail of ionized gas associated with a celestial object; esp. the ion tail of a comet. ΚΠ 1956 Vistas in Astron. 2 1001 The gegenschein is a quite different phenomenon, namely the emission by a gas tail given off by the Earth. 1983 Amer. Scientist 71 411/3 Cometary happenings (split nuclei, detachments, striations, motions of knots in gas tails, antitails, etc.). 2001 M. D. Reynolds Falling Stars i. 7 In 1997 Comet Hale-Bopp..exhibited both a spectacular blue gas tail and a yellow dust tail. < as lemmas |
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