单词：resources and capabilities
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This is scientific Americans 60-Sencond Science. I am Karen Hopkin. This will just take a minute. When you think about silk, you probably think of gossamer fibers woven into lustrous garments or decadently soft bedsheets. But silk is also prized for
Scientific American(四)月
When I don't feel confident, one tactic I've learned is that it sometimes helps to fake it. 当感觉不到自信时，我告诉你一个窍门，就是要假装自信。有时候这招很管用。 I discovered this when I was an aerobics instructor
向前一步
By Tendai Maphosa Harare 17 March 2006 Morgan Tsvangirai In Zimbabwe, thousands of delegates loyal to Morgan Tsvangirai, the president of the opposition Movement for Democratic Change, are gathering i
2006年VOA标准英语（三月）
In response to increased naval patrols in the Gulf of Aden, pirates in Somalia are venturing hundreds of kilometers out to sea to seize vessels. The change in tactic has allowed pirates to successfully hijack numerous ships in recent days, including
VOA标准英语2009年(四月)
Hardline Stance on Iran Nuclear Deadline Could Be Pressure Tactic STATE DEPARTMENT As the March 24 deadline nears for Iran nuclear negotiators to agree on the fundamental structure of a final deal, both the U.S. and Iran increasingly have been vocal
VOA标准英语2015年(二月)