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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:搜搜考试网作业帮 分类:英语作业 时间:2024/06/02 02:22:07
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.
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
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.