首頁›Browse›H›hash markhash mark編輯正在努力提供更完整的內容，建議 20 分鐘後再回來看看hash markhash mark — 名詞名詞1. the symbol #, used before a number or on social media1.名詞釋義井字號the symbol #, used before a number or on social media例句Type a hash mark before the word to make it a hashtag.