单词	oxygen cycle
释义	oxygen cycle noun : the cycle whereby atmospheric oxygen is converted to carbon dioxide in animal respiration and regenerated by green plants in photosynthesis Example Sentences Recent Examples on the Web This isn’t a call for protecting biodiversity, as noble a cause as that is, but safeguarding the carbon-to-oxygen cycle and weather regulation services of photosynthesising plants. Solitaire Townsend, Forbes, 8 June 2021 Word History First Known Use 1935, in the meaning defined above
随便看	stop rod stop screw stop seine stop short stop sign stop someone in her tracks stop someone in his tracks stop street stop tester stop the rot stop thrust stop to think stop up stop valve stop volley stop-action stop-and-go stop-cylinder press stop-fluted stop-go stop-loss stop-loss order stop-motion stop-out stop/freeze in one's tracks

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