Fish take in oxygen through their gills.
鱼用鳃吸取氧气。
Humans take in oxygen and breathe out carbon dioxide.
人吸入氧气，呼出二氧化碳。
Do you know how fish take in oxygen?
你知道鱼类怎样吸入氧气吗？
The lungs become less able to take in oxygen.
肺部渐渐吸入越来越少的氧气；
People often hold their breath, or take in too much oxygen and hyperventilate.
人们往往会屏住呼吸，或吸入过多的氧气或换气过度。
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。
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。
应用推荐