daybreak
n. 黎明;破晓
例句
This was long before daybreak; and then they bustled away as quick as lightning.
这是离天亮还很久的时候。然后他们像闪电一样快地匆忙走了。
We left before daybreak.
我们是在黎明前出发的。
《牛津词典》
Pedro got up every morning before daybreak.
佩德罗每天早上天不亮就起床。
《柯林斯英汉双解大词典》