这些障碍物对于想要往上游游动的鱼儿来说是致命的。The barriers are lethal to fish trying to swim upstream.他在那里有一栋房子，但在河上游几英里处。He has a house down there but it's miles up river.上游的城市将污水排放到河里。Cities upstream use the river to get rid of sewage....
目前, 有两种最普通的拓扑结构,分别称为环形网和总线形网.Today, the two most common topologies are called ring and bus networks.目的探讨胃线形溃疡的 X 线诊断、临床意义、检查方法.Objective To explore the clinical significance and X - ray diagnosis of linear ulcer.磁带: 线形的磁...
The Tundra Times, a weekly newspaper in Alaska, ceased publication this week.阿拉斯加的周报《苔原时报》本周停刊了。Gold was the loadstone that drew men to Alaska.金子是具有吸引力的东西,它引诱人前往阿拉斯加州.They saw many seals off the Coast of Alaska.他们在阿拉斯加海岸...
古埃及众神the ancient Egyptian pantheon古埃及人把天堂视为他们现实生活的理想形式。The ancient Egyptians saw paradise as an idealized version of their own lives.(古)埃及人以石工技艺见长.The Egyptians were expert in the working of stone....