3.背熟：it was almost impossible to attach hawsers and chains to the rim without damaging it. 短语：attach to 把......连在......上；附加，使属于
attach == tie 栓，系 短语：rim == the sides of the dish 结构分析:双重否定：not + without 4. Eventually chains were fixed to one end of the disk and a powerful winch was put into operation. 短语：Eventually == at last 语气比at last 强烈得多，
终于：强调失败的结果用in the end 表示成功用at last, eventually
eventually 重点强调经过努力而终于......
finally 只表示顺序的最后 短语：put into operation = use
发表于 2016-7-11 23:01:59