Because they lack oxygen, marsh sediments are high in sulfides that are toxic to most plants.

由于它们缺乏氧气，沼泽沉积物中的硫化物含量很高，而硫化物对大多数植物都有毒。

youdao

An ideal fuel, on the other hand, should lack oxygen.

从另一个方面来讲，一种理想化的燃料是不含氧的。

youdao

Low or moderate levels of alcohol in the bloodstream may protect against brain damage that results when brain cells lack oxygen following trauma, the researchers said.

研究者们说血液中低浓度或中等浓度的酒精可能会保护脑部免受因脑损伤后脑细胞缺氧所造成的伤害。

youdao

Dangerous mountain paths. And they all risk developing a serious health disorder caused by lack of oxygen.

VOA: special.2010.06.30

Because of the lack of oxygen getting to the cells, the cells are no longer able to carry on their various metabolic processes.

由于细胞中缺少氧气,所以细胞不能完成,它们的各种新陈代谢活动

耶鲁公开课 - 死亡课程节选

One effect of this lack of oxygen to the brain is a headache.

VOA: special.2009.07.14

One senses a lack of oxygen in tissue, which is a sign of a tumor.

FORBES: Architect of Life

When that happens, the brain's built-in alarm to breathe doesn't go off, despite a lack of oxygen.

CNN: Water safety expert: 'Drowning doesn't just happen'

They all endured sleepless nights, as well as aches and pains due to the lack of oxygen.

BBC: Celebrity climbers reach summit