键入

键入	jiàn rù	to key in; to input; to enter (some text)
键	jiàn	key (on a piano or computer keyboard) / button (on a mouse or other device) / chemical bond / linchpin
入	rù	to enter; to go into / to join; to become a member of / (bound form) to conform to (as in 入时) / abbr. for 入声 / (on product packaging, after {number n} + {classifier}) containing (n pieces) (from Japanese 入 "iri")