单词：
单词： 相关文章
The Ultimate Pitching Machine B y Tom McNichol / Originally published in WIRED Hardware and hard science are turning big-league ballplayers into precision-guided flamethrowers 1 I t’s the fastest hu
2016年NPR美国国家公共电台11月
1765 、 横纹刨 blockplane 1766 、 横梁 beam 1767 、 横锉法 crossfiling 1768 、 树心 pith 1769 、 树皮 bark 1770 、 树根 root 1771 、 树脂 resin 1772 、 树脂胶 resinglue 1773
英文名句短语
New Concrete Recipes Could Cut Cracks能够对抗公路裂化的新型混凝土配方 There's a stretch of highway in Pennsylvania, along U.S. 422. And like every probably 20 feet you see a big pothole or cracking at the joint. Like everywhere. It wa
2017年科学美国人(五)月
今天我们要学的词是concrete。 Concrete具体的，实质性的。美中战略与经济对话星期二结束。美联社报道说，The United States and China ended two days of high-level talks with few concrete results, 美中结束了为期两
英语每日一词
By Kari Barber Dakar 01 November 2007 European Union officials say plans are in place for a joint European Union-African Union summit to be held later this year. However, Senegalese officials said in a meeting with EU leaders in Dakar late Wednesday
VOA常速英语2007年（十一月）
今天我们要学的词是 mechanism. Mechanism 机制。Britain will trigger the mechanism to leave the European Union next week. 英国下星期将启动离开欧盟的机制。Pakistan and Afghanistan agreed last week to form a joint mechanism to
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