Although the hyphen does look quite a bit like a dash or minus sign, it is a punctuation mark.

尽管连字符看上去很像破折号或减号，但他还是一个符点符号而非数字符号。

youdao

Second thing I want to note is, the little hash mark or the pound sign, that's identifying a comment.

我想要说的第二件事是，这个小斜杠或者是井字号，这是用来标注注释的。

youdao

Wild cards are typically a question mark (?), pound sign (#), or asterisk (*) used as placeholder symbols to stand in for letters.

典型的通配符是，问号（？） ，井号（#），或者星号（*），用来作为替代字母的占位符。

youdao

Second thing I want to note is, the little hash mark or the pound sign, that's identifying a comment.

我想要说的第二件事是，这个小斜杠或者是井字号，这是用来标注注释的。

麻省理工公开课 - 计算机科学及编程导论课程节选

That sign, a replica of an Irish road sign, was given to me by a colleague, Mark Wynne, who took my place in a forthcoming speaking assignment in Ireland when I retired from the Dallas Fed in November 2004.

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Nonetheless, the mark will be considered a voluntary sign of those who have chosen to follow the Antichrist.

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There is no sign to mark it, just a sprawl of heavy, dark, tropical hardwood left to dry and age in the sun and a couple of half-finished canoes in front of the open-air shed where he does his work.

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