Oxygen and carbon dioxide from the air enter through the stoma.
氧和二氧化碳从空气中进入气孔。
Oxygen and carbon dioxide from the air enter through the stoma.
树吸收二氧化碳，释放氧气，从而保持空气清新。
Humans take in oxygen and breathe out carbon dioxide.
人吸入氧气，呼出二氧化碳。
They consume carbon dioxide, and release oxygen.
它们消耗二氧化碳，并释放氧气。
Get the blood flowing and the carbon dioxide out and bring in healthy new oxygen.
让血液流动起来，让二氧化碳呼出去，换进新鲜健康的氧气。
Trees take in carbon dioxide from the air and make oxygen. That's important.
树木可以吸收二氧化碳，并释放氧气，这非常重要。
Oxygen, nitrogen, and carbon dioxide are some of the gases found in the atmosphere.
氧气、氮气和二氧化碳，是在大气层中发现的一些气体。
They remove carbon dioxide from the blood and replace it with oxygen.
他们从血液清除二氧化碳和氧气代替它。
Laboring muscles burn oxygen rapidly and pour out waste carbon dioxide.
劳动着的肌肉能迅速燃烧氧气，放出废料二氧化碳。
Trees can absorb carbon dioxide and release oxygen.
树木可以吸收二氧化碳和释放氧气。
Blood supplies oxygen to the body and removes carbon dioxide.
血液供应氧气给身体和消除二氧化碳。
Plants recycle carbon dioxide and create oxygen, which we need to breathe.
植物吸收二氧化碳释放我们呼吸的氧气。
The oxygen and the carbon combine to form carbon dioxide.
氧和碳化合，形成二氧化碳。
Carbon dioxide consists of carbon and oxygen.
二氧化碳是由碳和氧组成的。
Air is made up of three main types of gases: oxygen, carbon dioxide, and nitrogen.
空气是成立的三种主要类型的气体：氧，二氧化碳和氮。
Carbon dioxide consists of carbon and oxygen.
二氧化碳由碳、氧两种元素组成。
Oxygen, carbon dioxide, and nitrogen are essential for animal and plant life.
氧、二氧化碳、氮是动植物生命所必需的。
Oxygen, carbon dioxide, and nitrogen are essential for animal and plant life.
氧、二氧化碳、氮是动植物生命所必需的。
应用推荐