NASA said in a recent statement that the Perseverance explorer, or rover, collected the rock on July 21.

美国国家航空航天局在最近的一份声明中说，" 毅力号 " 探测器（即漫游车）于721日采这块岩石。

Often I wander in fancy over all the parts I know, and grow restless with desire at familiar names which bring no picture to memory.

我经常在幻想中漫游于我所知道的所有地方，并且对熟悉的名字躁不安，但这些名字却使我无法记住任何画面。