重要
hyphen
/ˈhaɪfn/ 18四级六级A hyphen is the punctuation sign used to join words together to make a compound, as in "left-handed."连字符
noun [专属名词]连字符，连字号
Each byte in a MAC address is separated by either a colon (:) or a hyphen (-). MAC地址里每个字节都用冒号(：)或连字号(-)分开。
verb [vt. 及物动词]用连字号连接
All options should begin with a "-" (hyphen). 所有选项都应以“-”(连字符)开头。
单词造句: