oxygen depletion
A condition caused by the parasitic crustacean Linguatula serrata.
Having good manners; polite, courteous, and socially correct; conforming to standards of good behaviour.
(informal) A genre of science fiction involving secret agents.
The reduction in the concentration of dissolved oxygen in water, especially as a result of pollution.
科学者たちは、農業からの流入や水温上昇が原因で河口の水中の溶存酸素が減少し、今年の夏に大量の魚が死ぬ可能性があると警告した。
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