好久不见雪英文怎么说

"It's been a long time since I last saw snow" 是表示 "好久不见雪" 的一种常用的英文表达方式。

这个表达方式的来源是由两个短语组合而成的，分别是 "it's been a long time" 和 "since I last saw"。

"It's been a long time" 是一个习惯用语，意思是 "很久以前"。它的结构是 "it's been + a long time"，其中 "it's been" 是 "it has been" 的缩略形式，意思是 "它已经"。例如：

It's been a long time since we last saw each other. (我们好久不见了。)
It's been a long time since I last visited my hometown. (我好久没有回我的故乡了。)

"Since I last saw" 是一个介词短语，意思是 "自从我上一次看见"。它的结构是 "since + 动词短语"，例如：

Since I last saw you, I've been very busy. (自从我上一次见到你以来，我一直很忙。)
Since I last saw him, he's grown taller. (自从我上一次见到他以来，他长高了。)

综上所述，"It's been a long time since I last saw snow" 的意思就是 "我好久没有看见雪了"。