1在先近义词英语:formerly, in the past, onward西班牙语:anteceder, preceder
2以前近义词汉语:以前, 先前, 先, 早先, 原先, 在先, 此前英语:before, ago, beforetime, formerly, old, previously法语:avant, auparavant葡萄牙语:antes, atrás反义词汉语:以后, 将来, 往后, 未来
