英语翻译

题目

英语翻译
迄今为止还没有充分的证据表明火星上有生命,但这并不是说外层空间的研究没有科学价值.
国际空间站是费用最为昂贵的太空搜索项目,是有十六个国家参与的合作项目.

答案

Until recently, there is still no solid evidence of there being living things on the Mars. however, it doesn't mean that it is no worth of researches in outer space.the int'l space station is the mos...