工程师说钚可能会开始从遭腐蚀的潜艇往外渗透。Engineers said that plutonium could begin seeping from the corroded sub.危险的辐射物从钚放散出来.Dangerous emissions radiate from plutonium.钚也可以用来制成核武器.The plutonium also could be used, however, to make nuclear...
Even if her interpretation has not yet gelled into a satisfying whole, she displays real musicianship...虽然她的演绎在整体上还不太令人满意，但她表现出了真正的音乐才华。Chapter 16 will be concerned with interpretation and geological applications of the ...
There are bright prospects for freshwater fish farming.淡水养鱼大有可为.Both marine and freshwater fisheries are beset by a number of very serious human impacts.无论海洋渔业还是淡水渔业,都为人类造成的一系列严重影响所困扰.Limnology The scientific study of fr...
Percy's enchant-ment with orchids dates back to 1951.珀西对兰花的痴迷可以回溯到1951年。Percy was lying prostrate, his arms outstretched and his eyes closed.珀西闭着眼四仰八叉地平躺着。Percy's enchantment with orchids dates back to 1951.珀西对...