单词：fire refined copper anode
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Some Foods Can Be Medicine 一些食物可以作为药物 From VOA Learning English, this is the Health Lifestyle report. Food as medicine is not a new idea. The ancient Greek physician Hippocrates is commonly quoted as saying, 'Let food be thy medic
2016年VOA慢速英语(八)月
坚持不懈，直到成功。 我们每天的奋斗就像对参天大树的一次砍击，头几刀可能了无痕迹。每一击看似微不足道，然而，累积起来，巨树终会倒下。这恰
四六级词汇与结构练习
This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Batteries of the future need to deliver more energy, and they need to be smaller. Researchers at MIT think they have developed a technology that can, a
Scientific American(四)月
This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Common batteries are electrochemical cells. And they may get better thanks to living cells: the multicellular organism called brown algae. Lithium ion
Scientific American(九)月
China has conducted a nationwide campaign to crack down on refined oil smuggling. As of Friday, more than two thousand marine police, anti-smuggling police and armed policemen in eight cities have captured more than 250 suspects and seized 440-thousa
英语新闻
On the day of Chongyang Festival, one traditional activity is to climb mountains. However, mountains are not everywhere for people to climb. Therefore, for those people who live in flat regions far from any mountain, the problem is solved by going fo
英语笔译