V2EX photosynthesis

Photosynthesis

定义 / Definition

光合作用:绿色植物、藻类和某些细菌利用光能,把二氧化碳和水转化为葡萄糖等有机物并释放氧气的过程。(在更广义上也可指某些细菌的非产氧光合作用。)

发音 / Pronunciation

/fotosnθss/

例句 / Examples

Photosynthesis needs sunlight, water, and carbon dioxide.
光合作用需要阳光、水和二氧化碳。

Without photosynthesis, most life on Earth would lack the oxygen and energy-rich food it depends on.
如果没有光合作用,地球上大多数生命将缺少赖以生存的氧气和富含能量的食物来源。

词源 / Etymology

来自希腊语词根:**photo-**(光)+ synthesis(合成、组合)。字面意思是“用光来合成(物质)”,反映了该过程把光能转化为化学能并制造有机物的核心特征。

相关词 / Related Words

文学作品中的用例 / Literary Works

  • Primo Levi, The Periodic Table(以化学与自然过程为线索,涉及植物与能量转换等内容,常提及光合作用相关概念)
  • Richard Powers, The Overstory(围绕树木与森林生态展开,文本中多处涉及植物生命过程与光合作用的科学语境)
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