The marine water quality standard is first category.

本海域为一类海水水质标准。

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The results showed that the concentrations of antibiotics were mainly below the limit of quantification(LOQ) in the ambient marine water of Victoria Harbour.

结果表明，在维港海水中，只检出较低含量的氟喹诺酮和大环内酯类抗生素；

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Marine construction technology like this is very complex, somewhat analogous to trying to build a bridge under water.

像这样的海洋建筑技术非常复杂，有些类似于尝试在水下建筑一座桥。

《柯林斯英汉双解大词典》

Charles Moore and his team at the Algalita Marine Research Foundation have spent ten years studying plastic waste and testing water from the ocean.

VOA: special.2009.09.22

We are also making a big push on marine and fresh water conservation.

FORBES: Conservation International: Stemming the Tide of Environmental Crises, Part Two

The themes of this competition are: Biodiversity of land and sky, Marine and fresh water biodiversity and People and biodiversity.

UNESCO: INTERNATIONAL YEAR OF BIODIVERSITY: PHOTO COMPETITION

Eco enthusiasts can get their Jacques Cousteau on at Las Baulas National Marine Park, an underwater showcase of marine life with warm water, high visibility and gentle currents.

BBC: Daily deal: Scuba diving in Bonaire