科一科二 · 科一

Seed to Pumpkin

From Secd to PUMPKIN

从种子到南瓜

When sping winds warm the eath, a famer plantshundreds of pumpkin seeds.

当春风吹暖大地,农民伯伯会播种很多南瓜种子

Every pumpkin seed can become a baby pumpkin plant. Underground, covered with dark, moist soil, the baby plantsbegin to grow. As the plants get bigger, the seeds crack open. Stems sproutup. Roots dig down. Inside the roots are tubes. Water travelsup these tubes the way juice goes up a straw.

每粒种子都会长成幼苗,在漆黑潮湿的土里,幼苗长啊长 长啊长。 长到从种子里钻出来,茎往上伸,根往下钻,根里面有管道,水就从这些管道里面流淌,就像吸管吸橘汁一样

In less than two weeks from planting time, green shootspoke up through the earth. These shoots grow into tinyseedlings. Two leaves, called seedleaves, uncurl on each stem. Theyreach up toward the sun.

从播种开始不到两周,就有小绿芽从地面钻出来,这些嫩芽会长成幼苗,两片叶子叫子叶,在茎上舒展开来,它们朝着阳光生长

Sunlight gives these leaves energy to make food. Like us, plants need food to grow. But green plants do not eat foodas we do. Their leaves make it. To make food, plants need light, water, and air. Leavescatch the sunlight. Roots soak up rainwater. And little openings in the leaveslet air in. Using energy from the sun, the leaves mix the airwith water from the soil to make sugar. This feeds the plant.

阳光给绿叶带来能量来加工营养,就像我们一样植物也需要食物,但是它们不像我们一样吃食物,而是靠叶子来加工,为了加工食物植物需要光水空气。 叶子可以吸收阳光,根部吸收雨水,叶子上的细孔吸收空气,叶子借助阳光的能量,把土壤的水和空气混合制造成盐分,这就是植物的食物

Soon broad, prickly leaves with jagged edges unfold on the stems. The seed leaves dry up. Now the new leaves make food for the pumpkin plant.

不久叶子在茎上舒展开来,叶子又宽又多刺,有着锯齿状的边缘,子叶开始枯萎,新叶子为南瓜秧制造养分

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