Adults should watch each other for signs of trouble when in water.
在水中，成年人应该互相观察，寻找有麻烦的迹象。
Each type of phytoplankton and other material in the water absorbs and reflects light differently.
每种浮游植物与海水中的其他成分吸收与反射光线的性质是不同的。
They hugged each other and put their hands in the water of the Red Sea.
参考译文：他们彼此拥抱，把手伸进红海的海水里。
Water and alcohol may mingle with each other in any proportions.
水和酒精可按任何比率互相混合。
Water and alcohol may mingle with each other in any proportions.
水和酒精可按任何比率互相混合。
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