"The document was written in the Middle Ages, c. 1250."
这份文件写于中世纪，大约1250年左右。
"His parents got him an in with the company."
他父母帮他找了关系进了那家公司。
"It looks weaker and weaker, the more I think about it."
越想越觉得它很无力。
"He used to be a major in the army."
他以前是军队里的一个少校。
"The music teacher explained that the Dorian mode was a type of ancient Greek scale. "
音乐老师解释说，多利亚调式是一种古希腊音阶。
