During the lowest tides,the water runs off and whole sections of living coral are normally beyond the water,are exposed. The level of water on the reef top decreases dramatically,getting ever shallower,and going from a stable environment,to ever chan

发表于:2019-01-22 / 阅读(69) / 评论(0) 分类 自然百科2014年

By Paul Sisco Washington, DC 06 July 2006 watch Rip Tides report The beach is a popular place in the summertime. But there are dangers beneath the ocean surface. Here is a look at rip tides, also known as rip currents -- the science, the danger, and

发表于:2019-01-27 / 阅读(119) / 评论(0) 分类 2006年VOA标准英语(七月)

AGRICULTURE REPORT - Red Tides By Mario Ritter Broadcast: Tuesday, February 01, 2005 I'm Phoebe Zimmermann with the VOA Special English Agriculture Report. Different events can change the balance of s

发表于:2019-01-30 / 阅读(58) / 评论(0) 分类 农业与发展

Todd: Christine you're from Papua New Guinea? Christine: Yes, we're a small island in the South Pacific. Todd: And that is near Australia? Christine: Just above Australia. Todd: Like how far is it from Australia? Christine: To Brisbane it's 3 hours b

发表于:2019-02-02 / 阅读(21) / 评论(0) 分类 原版英语对话1000个

Todd: Christine you're from Papua New Guinea? Christine: Yes, we're a small island in the South Pacific. Todd: And that is near Australia? Christine: Just above Australia. Todd: Like how far is it from Australia? Christine: To Brisbane it's 3 hours b

发表于:2019-02-17 / 阅读(34) / 评论(0) 分类 英语访谈对话

Todd: Christine you're from Papua New Guinea? 托德:克里斯汀,你来自巴布亚新几内亚? Christine: Yes, we're a small island in the South Pacific. 克里斯汀:对,我的国家是南太平洋上的一个小岛国。 Todd: And that

发表于:2019-02-20 / 阅读(27) / 评论(0) 分类 实战口语情景对话