Adapted to living in very low nutrient soils 为了适应营养稀缺的土壤
The magnificent bird of paradise favors the low branches of bushes. 华丽极乐鸟喜欢呆在低矮的灌木丛上
Following the flow of wind means that they're always heading toward areas of low pressure, 随着风向迁徙意味着 它们总是飞向低压地区
despite the acid and the low levels of oxygen. 尽管这里是酸性低含氧量环境
External gills help it to breathe in water that is particularly low in oxygen. 外生的鳃帮助它们 在极度缺氧的水中呼吸
The saltwater layer is extremely low in oxygen 咸水层的含氧量很低
Low in nutrients, but high in oxygen. 营养物质不多 但含氧量却很高