相关单词同義詞in advance, previously, ahead, ready, pre, arranged, 近義詞 already 已經, in advance 提前, earlier 早的, before 在 ... 以前, early 早, ahead of time 提前, previously 先前, ahead 領先, advance 前進反義詞afterward臨近詞befriend, before, Beforehand plan, beforehand with, beforehand case, Beforehand alarm, beforehand stress, beforehand analysis, beforehand drainage, beforehand narrative, Beforehand probation, beforehand expectancy相似詞before the Flood idiom, before you can say Jack Robinson idiom, before you know it idiom, before your very eyes idiom, befriend, befuddle, befuddled, beg, 返回 beforehand