1、TranslationUnit1(1)他们被背包压的弯下了腰,在山坡上的松树林里一步步向上爬,全身淌着汗。(under the weight of)Bendingundertheweightofthepacks,sweating,theyclimbedsteadilyinthepineforestthatcoveredthemountainside.(2)我们在无聊的时候,往往把注意力集中在时间的流逝上,这样会使大脑活动产生错觉,总觉得时钟似乎走得更慢。(trigger)Concentratingontimep