They are working on a dried river bed.
他们在干涸的河床上工作。
They bear a strong resemblance to river systems on Earth, and geologists think that they are dried-up beds of long-gone rivers.
它们与地球上的河流系统非常相似，地质学家认为它们是早已消失的河流留下的干涸的河床。
His skin was covered in a mixture of oils and resins and bathed in a solution of Natron, a salt found in dried-up river beds in Egypt.
他的皮肤被涂上了一层油脂和松香制成的混合物，并浸泡在一种泡碱溶液里。这种泡碱是在埃及干涸的河床上发现的一种矿盐。
The latest satellite data shows a dried-up Huai River.
最新的卫星数据显示，淮河已经干涸。
Heading south and east through the Taihang Mountains, the first day we journeyed along a dried-up river bed between the enclosing hills of a narrow valley.
我们先朝南，随后再朝东穿越太行山。第一天沿着一条干涸的河床行进。
Wuhan, China-Plants sprout as small streams of water begin to fill the cracks of the dried-up bed of a branch of the Hanjiang River.
中国武汉，河床上可见抽芽的植物，溪水开始填补长期干旱造成的大地龟裂。
The trees grew after a river flooded then, with a sudden environmental change, the marsh dried up. This caused sand dunes to build up4 and block the area from water.
在一次河水泛滥过后，这些树生长，后来环境骤变，沼泽干涸，致使个沙丘堆积，阻断了这片区域的水源。
The trees grew after a river flooded then, with a sudden environmental change, the marsh dried up. This caused sand dunes to build up4 and block the area from water.
在一次河水泛滥过后，这些树生长，后来环境骤变，沼泽干涸，致使个沙丘堆积，阻断了这片区域的水源。
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