Then there is the suspected uranium-enrichment project: tricky to inspect, since the Americans are not even sure where it might be.

更甚，还可能存在一个颇受怀疑的铀浓缩计划：由于难以分辨察觉出来，甚至连美方本身都不确信是否真的存在。

youdao

Then there is the suspected uranium-enrichment project: tricky to inspect, since the Americans are not even sure where it might be.

更甚，还可能存在一个颇受怀疑的铀浓缩计划：由于难以分辨察觉出来，甚至连美方本身都不确信是否真的存在。

youdao