Key signature
n. 音调符号
📖 牛津释义
key signature
(music 音) sharps and flats shown on a piece of music indicating the key in which it is written 调号. =>illus at music 见music插图.
🧩 词语组成解析
key
[kiː]
n. 钥匙;（打字机等的）键;关键，线索，秘诀;（音乐的）调;
vt. 键入;锁上;调节…的音调;提供线索;
vi. 使用钥匙;
adj. 关键的;主要的;
🗣️ 情景例句
If you're under twenty-one years of age ...
如果你还不到二十一岁……
Excuse me I don't know.
对不起我不知道。
Oh, by the way, there was a telephone call for you.
啊，顺便说一句，有你一个电话。