She'd seen Rift use them in his redstone contraption pranks.

她见过 Rift 在他的红石装置恶作剧中使用它们。

Other options are to strengthen your potion with glowstone or lengthen its duration with redstone.

其他选择是加强你的药水萤石或用红石延长它的持续时间。

Zetta tossed a handful of glowstone into the swiftness potion and a handful of redstone into the strength potion.

Zetta 将一把荧石扔进了迅捷药水， 又将一把红石扔进了力量药水。

She watched the potions closely so they wouldn't caramelize, and when the time came, she sprinkled in a bit of redstone dust that she'd gotten from Rift.

她仔细观察药水， 以免它们焦糖化，到时候，她撒上一点她从 Rift 得到的红石粉。