有啊,当然有:A punctuation mark (:) used after a word introducing a quotation, an explanation, an example, or a series and often after the salutation of a business letter.冒号：标点符号（：）用于一个词后引导一个引用语、解释说明、例子或一系列的并常用于商务信件的敬称之后The sign (:) used between numbers or groups of numbers in expressions of time (2:30a.m. ) and ratios (1:2). 冒号：符号（：）用于数字间或表示时间的一组数字间（2:30上午 ）和比率间（1:2） pl. co.la[-l…]A section of a metrical period in quantitative verse, consisting of two to six feet and in Latin verse having one principal accent.【复数】 co.la[-l…]言词的节奏单位，拉丁诗歌中从两个到六个音步中，含有一个主重音
