?缺氧层

缺氧层 anoxic layer; hypoxid layer; oxygen-poor layer 缺氧的 anaerobic; anoxic; anoxybiotic; anoxygenous; oxygen deficient; oxygen-deficien ..

[海洋]?贫氧层

Oxygen-poor Layer(贫氧层), 此释义来源于网络辞典。