“_”称为“下划线(xiàn )”1键盘上“0”数字(zì )后边的按键(jiàn )2用SHIFT键加上(shàng )quotquot 就可以(yǐ )在键盘上打出(chū )3在英文输入状(zhuàng )态(tài )下才能成(chéng )quot_quot,在中(zhōng )文输(shū )入状态下是“”4下(xià )划线大家(jiā )经常(cháng )接触(chù )到(dào )的一般用在(zài )名字的输(shū )入中(zhōng ),只可(kě )以(yǐ )
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