单词：tunnel speed
单词：tunnel speed 相关文章
Lesson 64 The Channel Tunnel海峡隧道 First listen and then answer the question. 听录音，然后回答以下问题。 Why was the first tunnel not completed? In 1858, a French engineer, Aime Tho
新概念英语第二册
【句子对照】 I ran a marathon last week. It was so long and I was so tired. I didn't really feel like there was a light at the end of the tunnel until I saw the finish line. 我上周参加了马拉松赛跑。路程太长了，我非常地累，直到看到终点线，我才感觉有一
俚语口头禅
Today, when I read the newspaper, I saw the interesting news, it is said that the first rainbow tunnel has been built in our country. I have seen many tunnels when I went out by bus, every time when the bus went through the tunnel, it was so dark, I
英语作文
The first high-speed rail tunnel linking the Chinese mainland and Hong Kong has been cut through. The 3,886-meter tunnel runs from Shenzhen City, south China's Guangdong Province to the Mai Po district of Hong Kong. The Shenzhen section of the tunnel
2015CRI中国国际广播电台
Did you ever dream of digging a hole so deep it came out the other side of the earth? Let's play that game again, using a little physics. First we have to imagine that our tunnel is lined with super-heat-resistant material so we can pass through laye
英语时差8，16
Last time we imagined a tunnel through the center of the earth. If such a thing existed, you could step into one end, fall all the way to the other side, and step out. Gravity would cause you to pick up almost exactly as much speed on the way down as
英语时差8，16