問題描述:
200個單詞左右
解析:
sunfloweris always growing toward the sun, it is known as its sun flowers.Sunflower - year-old is a herbaceous plants, and the sturdy straight stem, Wuhan police urge white hair.Was the heart-shaped leaves and serrated edge or lack moment.The first ponent of a large sunflower inflorescences VAGINATAE born stem top.Antler central to Guanzhuanghua, pollinating fruit can be formed, it is what is monly known as the sunflower seeds.Antler edges Ray floret main function was to lure insects.Ray floret of the total outside of the green shell, the protective effect.Sunflower American homeland.Now cultivated in all parts of the world.Sunflower seeds containing more fat, sunflower oil is a plant.