mac address ess rae invalid in both apc and flash!press F1 to resume

MAC地址无效的ESS李博在装甲运兵车和Flash ！按下F1恢复
both:

a. 两者的
ad. 两者都
int. 两者

例句与用法:
1. He is both a soldier and a poet.
他既是个战士，又是个诗人。

2. Both are good.
两者都好。

3. Both his eyes are hurt.
他的两眼都受伤了。

both 表示两着都… 是个副词,也可以做代词,例:

副词:We are both students.
代词:Both of us are students.

它的否定形式是neither 词性和both一样,例:
副词:We are neither STUDENT, 注意是单数名词.
代词:Neither of us IS a student 同样注意也是单数

MAC地址无效的ESS李博在装甲运兵车和Flash ！按下F1恢复