单词：formaldehyde oxime
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757 、 玻璃纤维席 glassfibremats 758 、 界面；分界面；接口 interface 759 、 相差 phasedifference 760 、 相对密度 relativedensity 761 、 砂布 emerycloth 762 、 砂磨 sandin
英文名句短语
It is the eye-popping brand that boasts the worlds most glamorous bras, but Parma resident Roberta Ritter says her Victoria's Secret, Angel Secret Embrace and Very Sexy Extreme Push-Up bras, made her feel anything but glamorous. She says shortly afte
万花筒2008年
By Jerilyn Watson Broadcast: October 30, 2003 This is Steve Ember with the VOA Special English Education Report. Many people remember the day in school when they had to 1)cut up a dead frog. Students
VOA2003（下）-教育与新闻
头孢菌素类 第三代 头孢地尼 Cefdinir Cefzon 头孢布坦 Ceftibuten 头孢布烯，Cedax 头孢卡品 Cefcapene Pivoxil 头孢卡喷新戊酰氧甲酯，Flomox 头孢噻肟钠 Cefotaxime So
医务英语
头孢菌素类 第二代 头孢呋辛钠 Cefuroxime Sodium 头孢呋肟，赐福乐信，舒贝洛，西力欣，特力欣，明可欣，CXM，Zinacef，Monacef，Ketocef，Furex Kesiut，Supero 头孢
医务英语
1. The AP has obtained this video showing yesterday's underground steam pipe explosion as it happened. The blast in midtown Manhattan killed one person and sent debris and dust flying. 2. A federal judge is dismissing Valerie Plame's lawsuit against
美联社新闻一分钟2007
AILSA CHANG, HOST: We're going to take you back now to the late 1800s, when eating food in the U.S. meant taking a calculated risk. The country was growing. People were moving into cities. And industrialization gave food producers new, sometimes dang
2018年NPR美国国家公共电台10月