有: 5年 fifteen years先前: before; previously的: 4次方是 The fourth power of 2 i ...有先前: prev previous有先前(经验): prev ― previous先前的: antecedent; anterior; foregoing; foregone; late; preceding; previous / prior / former; prior在前的,先前的: preceding过去,先前的: foregone先前,在前的: previous先前的,过早的: previous a. happening, coming or being earlier in time or order先前的,上述的: preceding先前的,先行的: antecedent先前的利润: previous profit先前的统计: a conservative estimate先前的债项: antecedent debt先前的检查面: previous check surface先前的零件面: previous part surface先前的驱动面: previous drive surface走在先前的人: ancestre=one who goes before承认先前的学历: rpl一年前没有先前最喜爱的风味我也能过: a year ago i could go without the foregoing favorite flavor先前: before; previously 她的胃病比先前好多了。 her stomach trouble is much better than before. 先前咱们山区很穷。 previously our mountain area [region] is poor and impoverised我想你先前的培训包括如何使用农业坏: i suppose the use of machinery is covered in your training有先例: precedented前的: anterior; anticus; frontal; precedent; prevenient; previous; prior