飞机云

飞机云	fēi jī yún	contrail
飞	fēi	to fly
飞机	fēi jī	airplane / CL:架
机	Jī	surname Ji
机	jī	(bound form) machine; mechanism / (bound form) aircraft / (bound form) an opportunity / (bound form) crucial point; pivot / (bound form) quick-witted; flexible / (bound form) organic
云	yún	(classical) to say
云	Yún	surname Yun / abbr. for Yunnan Province 云南省
云	yún	cloud / CL:朵