The color of water deepens with its depth.
水的颜色随深度而变深。
The color of water in this sea is red, so it must have been polluted.
这个海域的水色是红的,肯定是被污染了。
With the bottom of the projection of a white transparent container filled with water, then drip in the water the color ink or oil-based paint.
用一个装满水的白色透明容器的投影的底部,然后在水面点滴彩墨或油基的颜料。
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