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请帮忙翻译一下这段话,尤其but it is impossible to tell for sure until这几个词

来源:学生作业帮 编辑:拍题作业网作业帮 分类:英语作业 时间:2024/05/07 01:59:58
请帮忙翻译一下这段话,尤其but it is impossible to tell for sure until这几个词是什么意思?
If there was other "intelligent" life in our solar system I believe we would have found evidence to suggest their existence, but it is impossible to tell for sure until we fully explore every square inch of the solar system.
我相信如果太阳系还存在其他有智慧的生命,应该已经找到了他们存在的证据(实际应该是没找到),但是我们不可能肯定的说他们不存在,除非我们探测了太阳系的每一个角落.
but it is impossible to tell for sure until...是 not...until 句型,意思是“不到...不...;直到...才...”not A until B ,就是说“直到B实现,A才能实现”.例如:She won‘t be back until 8.她八点之后才会回来.
to tell for sure 就是上文中的A(当然就是“肯定”的意思啦),until后的部分就是上文中的B.