“_”称为“下(xià )划(huá )线”1键(jiàn )盘(pán )上“0”数字(zì )后边(biān )的(de )按键2用(yòng )SHIFT键加上quotquot 就可以(yǐ )在(zài )键盘上打出3在(zài )英文(wén )输入(rù )状态下才能(néng )成(chéng )quot_quot,在中文输入状态下(xià )是(shì )“”4下划(huá )线大(dà )家(jiā )经常(cháng )接触(chù )到(dào )的(de )一般(bān )用在名(míng )字的输入中,只(zhī )可以
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