contrails的翻译，读音
释义：
(contrail 的复数) n. 凝(结尾)迹
plural of contrail
n. an artificial cloud created by an aircraft; caused either by condensation due to the reduction in air pressure above the wing surface or by water vapor in the engine exhaust
plural of contrail
n. an artificial cloud created by an aircraft; caused either by condensation due to the reduction in air pressure above the wing surface or by water vapor in the engine exhaust