keynote

n 1 central theme of a speech, book, etc （演说、 书等的）要旨, 主题: Unemployment has been the keynote of the conference. 会议的主题是失业问题. * [attrib 作定语] a keynote speech, ie one setting the tone for or introducing the theme of a meeting, etc 定基调的演说. 2 (music 音) note on which a musical key is based 主音.

kerb-crawling, kerbstone, kerchief, kerfuffle, kernel, kerosene, kerosene, kerosine (also kerosine), kestrel, ketch, ketchup, kettle, kettledrum, key, key (also cay), key money, key signature, key-pad, key-ring, keyboard, keyhole, keystone, KG, KGB, khaki, kHz, kibbutz, kibbutznik, kick, kick-off, kick-start, kickback, kicker, kid, kid-glove, kid...into doing, kiddy (also kiddie), kidnap, kidnaper, kidnapper, kidnapping,