The Volga River and the Ural River discharge into the Caspian Sea.伏尔加河以及乌拉尔河都有流入里海.Potentially huge oil also lie underneath the Caspian Sea.在里海的底部存在了巨大的石油能源.Trufflehunter is one of the key animal roles in Prince Caspian....
The ionosphere is that region of space contatining electrically charged species.电离层是指含有带电物质的空间区域.Its upper limit is determined by the conditions in the ionosphere.其上限由电离层的状态而决定.Rockets and artificial satellites can go fa...
Sinonovacula constricta ( Lamarck ) , a kind of mollusks , is important in marine aquaculture.缢蛏 ( Sinonovaculaconstricta, Lamarck)历来是我国沿海重要的经济养殖贝类.Mytilus galloprovincialis Lamarck can not only spend the summer but also...