the wee small hours

• 凌晨

the wee small hours的用法和样例：

例句

1. The train will arrive in the small hours of July 3.
   火车将于七月三日凌晨到达。
2. The mail was sorted and pouched by 6 a.m.
   到凌晨六点邮件已经分类装袋了。