-Where the heck are we? -Oxygen content is low. -我们到底在哪儿 -空气含氧量好低
You're using up my oxygen, O'Malley. 你在跟我抢氧气 欧麦利
This phytoplankton is so abundant that it produces half of all the oxygen on Earth. 大量的浮游植物产生了地球上一半的氧气
It produces so much oxygen, that it refreshes the atmosphere of the entire planet. 它制造了大量的氧气 是我们这个地球的空气清新剂
Individually the algae are tiny but together, they produce three quarters of all the oxygen in our atmosphere. 单体藻类虽然很细小 但它们共同产生了我们大气中四分之三的氧气
despite the acid and the low levels of oxygen. 尽管这里是酸性低含氧量环境
It mixes with oxygen and the water, 与水中的氧发生化合反应
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