key (also cay)

n low island or reef, esp in the W Indies and off the coast of Florida 低岛, 暗礁, 珊瑚礁（尤指西印度群岛和美国佛罗里达州海岸处）.

ken, kennel, kepi, kept, kept woman, kerb (also esp US curb), kerb drill, kerb-crawling, kerbstone, kerchief, kerfuffle, kernel, kerosene, kerosene, kerosine (also kerosine), kestrel, ketch, ketchup, kettle, kettledrum, key, key money, key signature, key-pad, key-ring, keyboard, keyhole, keynote, keystone, KG, KGB, khaki, kHz, kibbutz, kibbutznik, kick, kick-off, kick-start, kickback, kicker, kid,