beforehand 英式发音[bɪ'fɔːhænd]美式发音[bɪ'fɔrhænd]
beforehand基本解释
adv,事先；预先,同近
beforehand相关例句和用法
The police need to be briefed beforehand on how to deal with this sort of situation..需要事先告诉警察这种情况怎样处理。
beforehand英英释义
预先；提前地英释advadvbefore something else happens or is done
