There was an impassable barrier between the white race and the one which they had reduced to slavery.在白色人种和被他们奴役的种族之间有一道不可逾越的障碍。The avenue had never been paved, and deep mud made it impassable in winter.这条大街从未铺过路面，冬天泥泞不堪...
Many streams have flooded their banks, making some roads impassable.许多小河的水已经漫过堤岸，造成一些道路不能通行。The mud made the roads impassable.道路因为泥泞而无法通行.The avenue had never been paved, and deep mud made it impassable in winter.这条大街从未铺...
They're going house to house, rounding up the residents.他们正挨家挨户将居民集中到一起。He had sought work as a cowboy, rounding up cattle.他找了一份放牛的差事，负责把牛赶到一起。Your dad and Admiral Spruance are rounding the Smiths'terrace.你爹跟期普...
The color of unilocular adipose tissue varies from white to dark yellow.单房性脂肪组织的颜色从白色到暗黄色不等.White fat is partitioned by septa of loose connective tissue into clusters of adipose cells.白色脂肪被疏松结缔组织隔膜分隔成脂肪细胞群.The fatty acid...