cruxes

详细解释:十字形, 十字架形, 难事, 症结, 难题, 关键, 紧要关头, 最重要点, 核心

词型变化：

名词复数:cruxes

英语解释：

名词 crux:

a small conspicuous constellation in the southern hemisphere in the Milky Way near Centaurus同义词：Southern Cross, Crux, Crux Australis