daylong session全日制课程
all daylong一整天
Daylong Cellar德龙酒庄
Daylong Winery德龙酒业
The daylong black garment长长的黑面纱
its a daylong news英语书面语就
A Daylong Life一天
A daylong battle一整天的战斗
However Daylong It Takes无论多长时间
ADJ（形容词） Daylong is used to describe an event or activity that lasts for the whole of one day. 整天的 [美国英语][ADJ n]
...a daylong meeting.
...一场整天的会议。