And one reason is, this enormous heat sink heats up Greenland from the north. 有一个原因，北方沉积的大量热能加热了格陵兰岛。 This is an annual melting river. But the volumes are much larger than ever. 这是一条每年融化的河。但流量却比往年都要大。
励志英语演讲稿（一） Saying goodbye to childhood,we step into another important time in the pace of young,facing new situations,dealing with different problems…… Everyone has his ownunderstanding of young
This afternoon the President sat down to answer some of the questions on the minds of Americans across the country. The questions were submitted and voted on in a process open to the public, conducted
One example is a trick in which a gene allows a cell, even as the drug approaches the cell, 有一个例子很神奇，基因能让细胞在药物接近之前， to push the drug out, before the drug can have any effect. 把药物推开，药物根本来不及起任何作用。 Imagi
