单词：sediment parameter
单词：sediment parameter 相关文章
Secrets to vocabulary Now we'll give you an example of how easy and effective our word power system is. For each word we'll be doing these four steps that you ’ ll do on your own. One, I ’ ll pron
疯狂英语2001年
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
51. group n. 组，群 52. first a. ad. n. 第一，首先 53. field n. 字段，域，栏，场 54. procedure n. 过程，程序，工序 55. print v. 打印，印刷 56. return v. 返回，回送 57
实用英语
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)