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contrail

noun
🔊/ˈkɒntreɪl/
🔊/ˈkɑːntreɪl/
 (especially North American English)
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  1. the white line that is left in the sky by a plane （飞机在高空留下的）水汽尾迹，凝结尾迹，拉烟synonym vapour trail
    • Contrails crossing clear skies can form beautiful patterns.穿越晴朗天空的轨迹可以形成美丽的图案。
    Topics Transport by airc2