Carbon steel bars shall be free of scarfing in multiples of 50 " . "碳 钢条 应该自如地嵌接在50倍于自身的斜嵌槽中.Their numerical system, derived from the Babylonians, was based on multiples of the number six.他们的数制源自古巴比伦人，以数字6的倍数为基数。It made ...
John Stevenson is Reader in History at the University of Sheffield.约翰·史蒂文森是谢菲尔德大学的历史学高级讲师。The president and Stevenson had worked harmoniously over the last eighteen months.在过去一年半里,总统和史蒂文森一起工作是融洽的.We elected Mr. Stevenson...
他从来没遇到过一位真正的海军上将。He had never met a real live admiral.这种沙尘天气好多年都没遇到过了.It was the kind of duster not experienced in years.我们已好几个星期没遇到这样的雷暴雨了.We have not have a thunderstorm like this in week....