清晨的宁静映照着天空和大地，被五花海里的矿物沉积物和水生植物染上了色彩。
Morning stillness reflects heaven and earth, tinted by mineral deposits and aquatic plant life in Five Flower Lake.
目前，水体与沉积物中PAH含量对该海域的水生生物尚未构成威胁。
For the time being, there is not potential threat to aquatic organisms for PAH concentrations both in water and sediment in Deep Bay.
硅藻土是几十万年前水生浮游类生物硅藻的沉积物，它的孔隙率在90%以上，是活性炭的5000倍。
For hundreds of thousands of years ago diatomite is floating creature of aquatic diatoms, it porosity of sediments at more than 90%, is 5000 times of the activated carbon.
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