The ocean's planktons form the bottom of both the food chain and the bulk of the carbon-oxygen cycle for our planet.
海洋的浮游生物即构成了食物链底端,又是我们地球碳-氧循环的交换场。
Additionally, the forests of the world are a critical part of the weather cycle as well as the carbon-oxygen cycle.
另外,世界森林是天气循环和碳-氧循环的一个重要组成部分。
Additionally, the forests of the world are a critical part of the weather cycle as well as the carbon-oxygen cycle.
另外,世界森林是天气循环和碳-氧循环的一个重要组成部分。
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