# before ##### 词义 - 英：/bɪˈfɔː(r)/； 美：/bɪˈfɔːr/ - #词性/prep 之前；在…以前；在…面前(或前面)；(次序或排列)在前面；当面 - #词性/conj 在…以前；到…之前；以免；（宁可…而）不愿；不然；到…为止 - #词性/adv 以前；已经；过去 ##### 例句 - Test the heat of the water before getting in . - 入水之前先试一试水温。 - It would be a good idea to call before we leave . - 我们出发之前打个电话是个好主意。 - It was many years before the full story was made public . - 许多年之后，事情的全貌才公之于众。