单词：polypus hydatidosus
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When you want to eat at a Western restaurant, you should first consider making a reservation. If not, you risk having to wait for a long time for a table. When eating, the Japanese and some Chinese ar
赖世雄中级美国英语
A witness to the terrorist mall attacking Kenya say several attackers were women and one of them white. Kenya officials are so sure that one of them has been the so called white widow or wide has been issued for. Let's get started. Tonight the Kenya
美联社新闻一分钟2013(十月)
As a polyp grows, it puts up a wall of limestone around itself. And then it multiplies. Each polyp can produce thousands of offspring, which all work together to build a living fortress-- a coral reef. After just a few years, a single piece of coral
自然百科2011年
First division in the polyp group, the class Spongiaria has been created by scientists precisely for this unusual exhibit whose usefulness is beyond dispute. 海绵纲是水熄类的第一纲，这一纲就是由这种非常有用处的新奇产物组成
《海底两万里》中英双语有声读物
Heart Patients More Likely to Take Medication When in Single Pill 心脏病人更倾向于服用单一药物 WASHINGTON Many patients who have heart disease or who have suffered a stroke dont take their medications as regularly as prescribed. One stu
VOA常速英语2013年(九月)
By Anita Elash Paris 18 May 2007 Newly elected French President Nicolas Sarkozy has named his new government. It's a much smaller cabinet than before, and half the jobs went to women. Anita Elash reports for VOA from Paris. Ever since his election as
2007年VOA标准英语（五月）