/faɪv ||; faɪv/number 1 5 五 ☞Look at fifth (= 5th). 参看fifth。
For examples of how to use numbers in sentences, look at six. 有关数词在句子里的示例，参看six。 2 five- (used in compounds 用于构成复合词) having five of the thing mentioned 有五个…的: a five-day week 一周五天工作制a five-hour flight 五个小时的飞行