key signature
US /ˈkiː ˌsɪɡ.nə.tʃər/
UK /ˈkiː ˌsɪɡ.nə.tʃər/

名詞
1.
調號, 調性符號
any of several combinations of sharps or flats on a musical staff at the beginning of a composition, indicating the key in which the composition is written
範例:
•
The pianist checked the key signature before starting the piece.
鋼琴家在開始演奏前檢查了調號。
•
Changing the key signature alters the pitch of many notes.
改變調號會改變許多音符的音高。
在 Lingoland 學習這個單詞