But even very large telescopes find Mars a difficult target, it's just too small.

但是，即使非常大的天文望远镜发现火星一个困难的目标，只是太小了。

youdao

But even very large telescopes find Mars a difficult target, it's just too small.

但是，即使非常大的天文望远镜发现火星一个困难的目标，只是太小了。

youdao