The second grotto was lower and more gloomy than the first ; the air that could only enter by the newly formed opening had the mephitic smell dant s was surprised not to find in the outer cavern 这第二个洞窟的地势较第一个洞窟的低，光线也较阴暗，空气因为只能从新开的洞口进来，所以带有一股腐臭气味，这正是在第一洞窟中所没有而使唐太斯感到诧异的。
