请老师们帮忙改改这句话好么？有必要改么？

来源: 于 2011-11-12 14:43:53 [旧帖] [给我悄悄话] 本文已被阅读：次


He wondered how it was that the impressions of winter could so completely describe the way he perceived himself--small beneath a threatening sky,and surrounded everywhere by the white silence of nothing but space.