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Sand
沙子
If you look around you, you can find sand very easily.
你若環顧四周，就很容易發現沙子。
Sand comes from rocks.
沙子源自巖石。
Each grain of sand is less than 2 millimeters in diameter.
每粒沙子的直徑小于兩毫米。
Some smaller sand feels like flour.
有些更小的沙子看起來像面粉。
There are many different colors of sand.
沙子的顏色多種多樣。
Some sand is white, and it can be found in tropical areas.
有的沙子是白色的，可以在熱帶地區找到。
Some sand is black, and it can be found in volcanic areas.
有的沙子是黑色的，可以在火山地區找到。
Also, some sand is green, and some sand is yellow.
還有的沙子是綠色和黃色的。
