单词：hydraulic lifter
单词：hydraulic lifter 相关文章
Lesson 29 The weight-lifter Last week father took the children to a circus. First they saw a weight-lifter. He was very strong. He picked up a heavy weight. He was strong enough to lift it above his head. Then a clown appeared. He tried to lift the
朗文3L看听学英语第三册
Oil spill, Day 42 of this oil spill in the Gulf of Mexico. Still there is no end in sight for this crisis. Right now take a look with me. Work under water and under way to place a custom built dome over that ruptured well. Remember that effort top ki
CNN2010年(六)月
Congressional investigators say three previously undisclosed defects in a critical safety device may have contributed to the massive oil spill in the Gulf of Mexico. The rig was owned by Transocean and leased by energy company BP. NPR's Peter Overby
2010年NPR美国国家公共电台5月
Study: No Evidence Hydraulic Fracturing Pollutes Water A new study finds no evidence that the controversial practice to extract natural gas known as hydraulic fracturing is contaminating ground water. The report, Separating Fact from Fiction in Shale
VOA标准英语2012年(二月)
我们今天要学的习惯用语都有这样一个词，heavy。 Heavy通常的意思是沉重的， 但是用在习惯用语里意思却会转化。 今天要学的第一个习惯用语是： heavy hitter。 Hitter指打击者， 可能是棒球场上
美国习惯用语
How oft, when thou, my music, music play'st, Upon that blessed wood whose motion sounds With thy sweet fingers, when thou gently sway'st 你是我的音乐，当你在幸运的琴键上弹奏乐章，你轻柔的手指拂过键盘，于是琴弦上随指
莎士比亚十四行诗全集