moratorium 的意思是暂停，暂缓执行。 

 

The WHO issued a statement urging that all countries should not allow any further experiments using Crispr to alter babies' DNA, but stopped short of a full moratorium. 世界卫生组织发表声明，呼吁各国不再允许使用 Crispr 基因编辑技术修改人类婴儿DNA的实验，但没有对此全面叫停。