常見例句noun(LETTER)(MUSIC)The song is in (the key of) F. 這首歌是F調(diào)的。Play an F followed by a G. 彈F音鍵後再彈G音鍵。(TEMPERATURE)Yesterday the temperature was 90°F. 昨日氣溫爲(wèi)90華氏度。 返回 F, f