conundrum

英语单词 C 开头 GRE考试,英语单词

n.谜语；难解的问题

网络解释.谜；难题；谜题；含恢谐

词形变化:

复数：conundrums

knot unknown problem

双语例句

1. 1 . Scientists had focused on two explanations to solve this conundrum .
科学家已锁定两种解释来解开这个难题。
来自辞典例句