Warning: file_put_contents(/www/wwwroot/zidian/diubi.cn/cache/94b9a95a67e4e206862d8b9bef2ade4a.txt): failed to open stream: No space left on device in /www/wwwroot/zidian/diubi.cn/index.php on line 59 key signature英英字典_key signature剑桥英语解释_key signature柯林斯英文解释_果味酸柯林斯词典
1. N a group of sharps or flats appearing at the beginning of each stave line to indicate the key in which a piece, section, etc, is to be performed 音調符號[music]