contrail, 凝結尾

Frankfurt, Germany
An aircraft leaves contrails as it flies over Frankfurt
Photograph: Michael Probst/AP
Photo highlights of the day: Twins on the tube and Farc rebels | News | The Guardian
https://www.theguardian.com/news/gallery/2016/sep/26/photo-highlights-of-the-day-charlotte-at-night-and-farc-rebels

Contrail - Wikipedia, the free encyclopedia

飛機雲（英語：contrail），又名凝結尾