名词

1.可数名词：签字，签名；明显特征，鲜明特色

2.不可数名词：签字，署名；信号

英语解释

your name written in your own handwriting

the sharps or flats that follow the clef and indicate the key

a melody used to identify a performer or a dance band or radio/tv program

a sheet with several pages printed on it; it folds to page size and is bound with other signatures to form a book

a distinguishing style