“_”称(cheng)为(wei)“下划线(xian)”1键盘(pan)上“0”数字后边的按键2用SHIFT键加(jia)上quotquot 就可(ke)以(yi)在键盘上打出3在英文输入(ru)状(zhuang)态下才能成quot_quot,在(zai)中(zhong)文输(shu)入状(zhuang)态(tai)下是“”4下划线大家经常接(jie)触(chu)到(dao)的一般(ban)用在(zai)名字(zi)的输(shu)入中(zhong),只可(ke)以
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