crux a十字形;难事
Crux Fidelis忠诚的十字架
Crux Cru南十字座
crux detail紧要之处
the crux症结所在;症结
Crux Cross十字架
Upsilon Crux表演者
Crux Play悬疑剧
crux simplex来就一根木桩子
N-SING（单数型名词） The cruxof a problem or argument is the most important or difficult part of it which affects everything else. 症结
He said the crux of the matter was economic policy.
他说该问题的症结在于经济政策。