英语翻译1keep sth.safe from2at a time3make medicine from

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英语翻译1keepsth.safefrom2atatime3makemedicinefrom英语翻译1keepsth.safefrom2atatime3makemedicinefrom英语翻译1kee

英语翻译1keep sth.safe from2at a time3make medicine from
英语翻译
1keep sth.safe from
2at a time
3make medicine from

英语翻译1keep sth.safe from2at a time3make medicine from
1.使某事物安全
2.作“一次,每次”讲,常用于“数词+at a time”的结构中.例如：Enter two at a time.每次进来两人.
3.用.制成药