| 释义 |
pho.to.syn.the.sisH.fEJ7tEJ5sInt7WE7sIs, $.foJ7toJ-n [U]the process by which a plant uses the energy from the light of the sun to produce its own food from water and carbon dioxide光合作用These plants have an impressive spread of leaves to enable them to produce enough food by photosynthesis to support their size.这些植物的叶子展开得很大，这使它们通过光合作用制造足够的养分供给自己庞大的躯体。The scientists say that although the sunlight falling on Mars is only about 43% of that reaching the Earth, this is enough for photosynthesis.科学家说到达火星的阳光虽然约是地球的43%，但这足够产生光合作用。Plants'happy knack of swapping carbon dioxide for oxygen during photosynthesis is one of nature's ways of keeping the planet healthy.植物在光合作用中吸入二氧化碳放出氧气的诀窍是使植物健康的自然方法之一。
|