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rift]v。 漂流 n。 漂流;漂泊;倾向
搭配 continental drift 大陆漂移
例句 1。 After analyzing the sediments of marine; geologists learned that there were many shorter and regular cycles of glaciation and deglaciation than they had learned from the glacial drift of the continents alone。 经过分析海洋沉淀物质之后,地质学家们认识到与他们单独从大陆冰川漂移中得知的相比,还有更多更短的周期性的冰川形成和消失。
2。 Wind studies and puter simulations suggest that drifting canoes would have been the most impossible measures of crossing the ocean。 关于风力的研究以及计算机模拟实验显示,漂流独木舟最不可能是横渡海洋的工具。
3。 This kind of drift wood could have been drifting in the ocean currents for months or even years。 这种漂流木可能已经在海中漂流了数月,甚至数年之久。
要点 我们平时经常会碰到drift作动词的用法,但在托福阅读中出现了drift作名词的用法“漂流物;吹积物”。
droplet['drɑ:pl?t]n。 小滴;飞沫
搭配 droplet transmission 飞沫传播
例句 1。 As muddy sediments are pressed together; the gas and small oil droplets may be squeezed out of the mud; and may move into sandy layers nearby。 当泥泞的沉淀物被挤压在一起时,气体和小油滴也许会被挤出泥土之外,并渗入到附近的沙层当中。
2。 These millimeter…sized; melted silicate material droplets were cooled into spheres of glass and crystal。 这些只有几毫米大的融化硅酸盐液滴经冷却成为了玻璃或水晶球体。
elevation[?eli'vei?n]n。 提高;高度,海拔
例句 1。 With the increase of elevation; narrow and deep channels of water form throughout the marsh。 随着海拔增高而形成的窄而深的水槽遍布整个湿地。
2。 The elevation in the northern peninsula is sufficiently low for the ancient Maya to reach the water table at deep sinkholes; or at deep caves。 半岛北部的海拔足够低,这使古玛雅人可以在污水深坑或深洞里接触到地下水位。
同义
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