Black sand is sand that is black in color. One type of black sand is a heavy, glossy, partly magnetic mixture of usually fine sands, found as part of a placer deposit.
例句与用法
1.
Black sand makes up the huge beach of karekare 黑色沙子构成了凯尔凯尔这片辽阔的海滩。
2.
Where you find numerous corals as well as white and black sand beaches ，您还会发现无数绚丽的珊瑚。
3.
The first stop will be the black sand beach at the foot of the volcano , then pro 游览火山口下的黑沙滩，是长年火山熔岩流下所行成的奇观，令
4.
The first stop will be the black sand beach at the foot of the volcano , then proceed 游览火山口下的黑沙滩，是长年火山熔岩流下所行成的奇观，令人留下深刻印象。
5.
The first stop will be the black sand beach at the foot of the volcano , then proceed to the hawaii volcano national park and visit the volcano museum , and the park s unique geographic features such as the craters , the lava tube and the steaming vents of the volcanoes 接著前往国家火山公园，此地是活火山，随处可见熔岩缝隙中所冒出的热气。在此特参观火山博物馆，特异的火山地理景胜，如火山口熔岩洞地热喷泉等大自然奇景。
6.
Mount putuo proves itself to be a famous buddhist mountain and tourist resort surrounding landscape : the south china sea goddess of mercy , zi zhu lin , pujisi , black sand , this episode barber beauty room , chamber , business center , shopping malls , chinese restaurant , washing room , massage , fitness room 沈家门客运站每天末班至普陀山的船开船时间为18 ： 40 ，宁波大榭码头和朱家尖客运站每天末班至普陀山的快艇开船时间分别为16 ： 35和16 ： 00 。
7.
Further , economic analysis showed that using the darkened sand could reduce operation cost . however , it is suggested that strict inspecting of water quality should be applied for the blacked sand , and preliminary filtrating time should be prolonged in order to ensure water quality 这表明黑化砂与清洗再生砂对过滤的出水水质无明显的不良影响，可以在生产中使用，但对黑化砂必须严格监控水质，适当延长初滤水的排放时间，以保证出水水质。
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