Here you see a graph showing you the different types of crops that are being considered for making biofuels, so you can see some things like soybean, which makes 50 gallons per acre per year, or sunflower or canola or jatropha or palm, and that tall graph there shows what microalgae can contribute.
这个图表展示了不同种类的 被认为能够制造生物燃料的农作物 你可以看到一些熟悉的农作物，比如最左边的大豆 每英亩大豆每年出产50加仑生物燃料 再往右看还有向日葵，油菜，麻风树，棕榈树 然后最右边 那根最高的柱子展示了微藻的贡献