单词:rock drill with rifle-bar rotation
单词:rock drill with rifle-bar rotation 相关文章
To shape up or ship out To rock the boat 今天我们要给大家介绍两个和船有关的习惯用语。船在英文里就是: Ship. 船员或者和水上生活有关的人创造了一套他们自己
Alice: Hello, I'm Alice Stephen: And I'm Stephen.Alice: And this is 6 Minute English! This week were talking about a very commonphobia a fear of the dentist and a possible new treatment. But first of all,Stephen, how does this sound make you feel? In
Kenya Moves Full-Steam Ahead on Geothermal Production Kenya is expanding plans to become one of the worlds top geothermal power producers with the start of explorations at a site called Menengai. The government is also aiming to make geothermal Kenya
This is SCIENCE FRIDAY. I'm Ira Flatow. Last August, NASA's Curiosity Rover staked its claim in Gale Crater on the surface of Mars, and since then it's been cruising around, zapping rocks, sniffing the Martian air and snapping some self-portraits. Bu
TEHRAN, July 4 (Xinhua) -- The Iranian Islamic Revolution Guards Corps (IRGC) concluded the three-day missile drill on Wednesday with Iranian military officials warning against any military aggression on the country. On the third and last day of the