这种生物的皮肤有像爬行动物一样的鳞片。

The creature's skin has ___reptilian scales.

她那种冷血动物般的态度让人觉得难以接近。

Her ___reptilian demeanor makes her seem unapproachable.

有些人认为爬虫人伪装成人类并生活在社会中。

Some people believe ___reptilians disguise themselves as humans and live among us.