天亮之前下雪了英文怎么说

在天亮之前下雪的英文表达是 "It snowed before dawn."

这个表达的来源是由两个独立的单词组成，"before" 是一个介词，意思是 "在……之前"，"dawn" 是一个名词，意思是 "黎明"。

下面是一些例句：

I woke up to find that it had snowed before dawn.
我醒来时发现在天亮之前已经下雪了。

The forecast said that it would snow before dawn, and it did.
预报说在天亮之前会下雪，果然如此。

I couldn't sleep because I was worried about the snow that was predicted to fall before dawn.
我因为担心在天亮之前会下雪而睡不着觉。