“_”称为(wéi )“下划线”1键盘上(shàng )“0”数字后边(biān )的按键2用(yòng )SHIFT键(jiàn )加上quotquot 就(jiù )可(kě )以在键(jiàn )盘上(shàng )打出3在(zài )英(yīng )文输入状态下(xià )才(cái )能成quot_quot,在中文(wén )输(shū )入状(zhuàng )态(tài )下(xià )是“”4下划线大家(jiā )经常接触(chù )到的一般用在名字(zì )的输入中,只(zhī )可以
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