英语语法分析

Mercurian atmosphere is thin enough to be described as an exosphere, meaning the constituent atoms never collide.

汞自然的气氛更薄，足以被描述为散逸层，也就是说，没有碰撞原子组成。

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。

It takes the planet only 88 days to whirl around the sun, though, so a Mercurian day lasts about three-quarters of the Mercurian year.

水星绕太阳公转一圈仅需88天，所以火星上一天相当于水星一年的3/4。