Question

crux n.（问题的）中心，核心，结症;坩埚;关键;症结;

Accepted Answer

英[krʌks]  美[krʌks, krʊks] N-SING(难题或辩论的)关键，最难点，症结The crux of a problem or argument is the most important or difficult part of it which affects everything else.例：He said the crux of the matter was economic policy.他说问题的症结在于经济政策。

单词	crux
音标	英[krʌks] 美[krʌks, krʊks]
解释	n.（问题的）中心，核心，结症;坩埚;关键;症结;
例句	N-SING (难题或辩论的)关键，最难点，症结 The crux of a problem or argument is the most important or difficult part of it which affects everything else. 例：He said the crux of the matter was economic policy.他说问题的症结在于经济政策。
变形

Crux 英[Krʌks 美[Krʌks Krʊks N.（问题的）中心，核心，结症;坩埚;关键;症结 N Sing 难题或辩论的)关键，最难点，症结 Problem