单词:single rail track circuit
单词:single rail track circuit 相关文章
Unit 7 Emergency Part I Pre-reading Task Listen to the recording two or three times and then think over the following questions: 1. How did the father understand courage at first? 2. What did courage
Exercise 1-24: Single-Word Phrases CD 1 Track 35 图片1
Early American Railroads Shape Modern Language 美国早期铁路塑造了现代语言 Now, the VOA Learning English program Words and Their Stories. Each week, we tell about American expressions and where they come from. Today we talk about railroad
elevated railway, overhead railway, aerial railway 高架铁路 mine railway 矿区铁路 funicular (railway) 缆索铁路,登山铁路 light railway line 轻便铁道 urban railway 市区铁路 rai
SAN JOSE, Dec. 23 (Xinhua) -- Colombian cyclist Oscar Sanchez took the lead Sunday in the 48th edition of the Costa Rica Tour, clocking the fastest time in the seventh leg of the 12-stage competition. Sunday's race featured a grueling 18-kilometer up
Improving London The Olympic games hope to regenerate a poor part of London and make it better with jobs, homes, shops and transport links. These will last for a hundred years or more, not just for a few weeks in the summer. The different buildings a