单词：optical emission spectrography
单词：optical emission spectrography 相关文章
Kill them all. You know I did and that was tough to live with, er, for a long time. I was angry, because the, the, the way we prosecuted that particular mission--you know, send the Tank Company down this crowded road that was already covered in burni
国家地理2007年
当年是铁路把美国的大西洋海岸和太平洋沿岸连接了起来。今天要谈的习惯用语就是从那个年代流传至今的。先学的三个习惯用语都诞生在一百多年前。当时大多数美国人还过着乡居生活，但
美国习惯用语
In Iraq, intensified fighting is also pilling pressure on Islamic State. The group's territory in Iraq and Syria has shrunk significantly from its peak, but instead of trying to gain more ground, the militants are changing their tactics. Last week Ir
cctv9英语新闻2016年
今天我们要学的词是 think tank. Think tank 智库。比如，The Heritage Foundation is a well-known conservative think tank. 传统基金会是一个著名的保守派智库。A think tank in Beijing recommended China adjust its one-child po
英语单词荟萃
600 million middle-class Chinese by 2020: think tank HAIKOU, Nov. 3 (Xinhua) -- China's rapid urbanization will greatly increase its number of middle-class people to 600 million and support an economic growth between 7 percent and 8 percent annually
英语新闻
当年是铁路把美国的大西洋海岸和太平洋沿岸连接了起来。今天要谈的习惯用语就是从那个年代流传至今的。今天学的习惯用语也是诞生在一百多年前。当时大多数美国人还过着乡居生活，但
美国俚语