单词	contrail
释义	contrail /ˈkɒntreɪl / noun chiefly North American Another term for vapour trail.I suggest it might be possible that fast moving jets generating energy and contrails in an electrically charged atmosphere may be able to form red plasma orbs that were imaged by Nicolas.... Sometimes, when we pass very close to or even fly through contrails left by another jet, we can see the twisting motion caused by the jet exhaust which created them. The thick, twisting contrails still prevented any visual sightings. Origin 1940s: abbreviation of condensation trail.
随便看	grand touring grand tourist grand trine granducalist grand-uncle grand unification grand unified theory Grand Union flag grand vicar granfer gran fondo grange Grange, Red grangerise grangerization grangerize graniferous granita granite Granite State graniteware granitic granitise granitization granitize

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