一个巨大的机器人矗立在荒凉的星球表面。

A giant robot stands on the ___desolate planetary surface.

这景象让人感到凄凉。

The scene feels ___desolate.

失去挚友后，他感到极度孤独和凄凉。

After losing his best friend, he felt completely ___desolate.