註冊, 登記
enter or record (an item) in an official list or directory
顯示, 記錄
(of an instrument) detect and show (a reading or measurement)
流露, 顯示
(of a person's face or eyes) show (an emotion or reaction)
登記簿, 名冊
an official list or record, especially of names
收銀機, 收款機
a cash register
音域, 聲區
a range of a voice or musical instrument