单词：sediment bed
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A: Are you all right? B: No, I'm not. A: What's going on? B: I was just robbed! A: Are you serious? B: Someone just robbed me. A: Did he hurt you? B: He took all my things, but he didn't hurt me. A: I can't believe that. B: I need to make a statement
英语情景对话-犯罪
Roughly 1,000 years ago, Europe enjoyed several centuries of balmier average temperatures. Dubbed the Medieval Warm Period, it was the last time before the present that agriculture could flourish in Greenland. This era also provided fodder for countl
Scientific American(十一)月
Song：Who's Been Sleeping In My Bed Artist：Brosis Who's been sleeping in my bed? Ain't nobody sleeping in your bed,what you're talking about? I'm innocent,I didn't treat you bad girl, What you're talking about? What? what? Chorus: Who's been sleep
英语热力歌曲
Lake Sediment Could Better Date Ancient Finds Radiocarbon dating is the best-known and most widely used method to determine the age of organic material, such as bone or wood or plant matter. All such material contains radioactive carbon atoms, known
VOA标准英语2012年(十月)