so long time that 改为 such long time that some 应该和others搭配,有点重复,从句可直接改为: some can not work normally,others need two battery for charging alternately.
第2个回答 2013-04-07
The walkie-talkies have been used for such a long time so that some of them can not work normally. One walkie-talkie needs two batteries for charging alternately.