相关clouding的文学知识

Andnow,hissightwascloudingover.Beingusedinnightblindness,cataract,cornealclouding.Itwascloudingoveroutsideandthelakewasdarkening.It'scloudingup.maybeit'llrainthisafternoon.Afine-grained,fibrousvarie...