Clym stepped before her into the passage, and Eustacia waited, her somnolent manner covering her inner heat and agitation.

克林在她前面走进了过道，游苔莎等在那儿，她那种昏昏欲睡的样子掩盖了内心的激动和不安。

One problem faced by a somnolent organism is the gradual accumulation of damage to its DNA. Oxygen is one source of such damage.

休眠生物面临的一个问题是其 DNA 损伤逐渐累积。氧气是这种损害的来源之一。