sing on key的意思

按鍵唱歌

minor key───小調

singsongy───單曲

function key───[自]功能鍵

ignition key───點火鑰匙；引火開關

skeleton key───萬能鑰匙

signing on for───正在登錄

control key───[計]控制鍵

high key───n.亮色調；高音調

night key───夜間鑰匙

I like karaoke, I just didn't feel confident that I'd be able to sing on key.───我喜歡唱卡拉OK，可我不自信，覺得自己唱歌會跑調。