That means that us terrestrials occupy a minority.

也就是说我们这些陆生者只占据了很小的一部分。

He created races of alien creatures, such as the Mercurian Harmoniums, a species of paper-thin extra - terrestrials who lived on sound.

他创造出一系列外星生物，诸如水星人哈摩里斯，一种以声音为食、身体薄如纸片、生活在大气圈外的物种。