柱一（ε Aur/ 御夫座ε） 是在御夫座的一颗恒星，它的固有名称是Haldus、Almaaz、或Al Anz。视星等3.04。以9,890天（大约27.1年）的周期在+3.0和 +3.8等之间变化，与地球的距离大约2,000光年。
但是关注睡眠这一健康的第三支柱可以更直接、更快速地提高员工的工作效率。
But focusing on sleep as a third pillar of health represents a relatively straightforward, short-term way to boost employees' productivity.
一柱浓烟升上几英里高的天空。
消防员和救护车星期五晚上赶到泰姬酒店，可以看到这座豪华酒店的楼顶冒起一柱浓烟。
Firefighters and ambulances were rushed to the Taj late Friday as a fresh column of smoke could be seen rising from the luxury hotel's roof.
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