氮循環
An example of recycling of materials, showing how nitrogen is recycled in an ecosystem (Book 1, p.127)
物質循環的一個例子，顯示氮怎樣在生態系內循環。
Related term: carbon cycle (碳循環)
Pronunciation in English (listen with default application).
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Nitrogen cycle
氮循環 物質循環的一個例子，顯示氮怎樣在生態系內循環。 Related term: carbon cycle (碳循環)
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