"日柱"是个多义词，它可以指日柱（大气光学现象）,日柱（命理学之术语）。
在描述这个时间段的时候,他补充道:"我驾驶汽车拐弯,正在观看日出的时候,发现了日柱."
Describing the moment, he added: 'I had just rounded a curve and was looking directly into the sunrise when I noticed the solar spike.
日柱，摄于12月7日的早晨，密西根州阿勒甘地区。它是由地球大气层顶部冰晶体折射太阳光而形成的。
A solar spike seen on the morning of December 7th in Allegan, Michigan. The sight id caused by wintery ice crystals in the Earth's upper atmosphere refracting light from the sun.
2011年7月28日，两根取自原世贸大厦的三叉戟钢柱在9.11国家纪念馆展出，此时，新世贸大厦的建造正在进行中。
Two steel beams known as the tridents from the original World Trade Center tower were visible inside the National September 11 Museum during construction on July 28, 2011. Mike Segar/Reuters
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