They spend most of summer and winter in the burrows of other animals or in some similar humid situation where they can keep their skin moist.
(They; spend; most of summer and winter; L:in the burrows of other animals or in some similar humid situation) (they; can keep; their skin moist; L:some similar humid situation)
They they
spend can keep
most of summer and winter L:in the burrows of other animals or in some similar humid situation
their skin moist L:some similar humid situation