When telegraphs and trains brought in the idea that convenience was more important than content, Henry David Thoreau reminded us that'.
出自-2012年12月阅读原文
"Supplying power to trains in this way would offer the shortest distance from well to wheels," he says, "with the least amount of energy lost."
2018年12月六级真题（第二套）听力 Section C
柯林斯高阶英汉双解学习词典释义
N-COUNT
火车;列车
A train is a number of carriages, cars, or trucks which are all connected together and which are pulled by an engine along a railway. Trains carry people and goods from one place to another.
A train of thought or a train of events is a connected sequence, in which each thought or event seems to occur naturally or logically as a result of the previous one.