facets [ˈfæsits]

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附加级

n.（宝石或首饰的）小平面( facet的名词复数 )；（事物的）面；方面

The question had many facets. 这个问题是多方面的。来自《简明英汉词典》
A fully cut brilliant diamond has 68 facets. 经过充分切刻的光彩夺目的钻石有68个小平面。来自《简明英汉词典》