母机

母机	mǔ jī	machine tool / mother ship
母	mǔ	mother / elderly female relative / origin / source / (of animals) female
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