单词：net ecosystem exchange
单词：net ecosystem exchange 相关文章
When you go abroad, what's the thing you need most? Money, of course! You'll need to go to the bank to buy some traveler's checks. Then when you arrive at your destination, you'll have to go to a bank
赖世雄中级美国英语
This is Scientific Americans 60-second Science. Im Karen Hopkin, This will just take a minute. Have you ever said, I know it like the back of my hand? Well, how well do you know the back of your hand, or the back of your knee, or behind your ears? Pr
Scientific American(五)月
By Mario Ritter Broadcast: November 14, 2003 This is Steve Ember with the VOA Special English Economics Report. Last week we told about the New York Stock Exchange and the 1)resignation of its chairma
VOA2003（下）-农业与经济
By Mario Ritter Broadcast: November 7, 2003 This is Bob Doughty with the VOA Special English Economics Report. The largest 1)stock market in the world is the New York Stock Exchange. It is also the ol
VOA2003（下）-农业与经济
Kenya's ocean waters are home to five out of the world's eight species of turtles. All are classified as either endangered or critically endangered, and are threatened by poaching, fishing nets, development and pollution. The conservation groups Wata
VOA标准英语2010年(七)月
China, Russia vow to advance cultural exchange
英语新闻