“_”称(chēng )为“下划(huá )线”1键盘上“0”数字后边的按键2用SHIFT键加上quotquot 就可(kě )以(yǐ )在键盘上(shàng )打出(chū )3在英(yīng )文(wén )输入(rù )状态(tài )下才能(néng )成(chéng )quot_quot,在中(zhōng )文输入状态下是(shì )“”4下划(huá )线(xiàn )大家经常接(jiē )触到的一般用在(zài )名(míng )字的(de )输入(rù )中(zhōng ),只可以
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