英語翻譯
Algae are plants that have no roots or leaves.they grow in w----place.you may have seen algae on top of the water in a pond or l-----.Most algae are green or blue,but some are red,b-----or black.Often you buy aogae at the store,but you don't know it.Some k---of algae are used in making ice cream,tooth paste,skin creams,and medicine.
Algae don't look or taste good,but they are h-----in food value.They can be used for food.Tomorrow m------people will live in the world.They will n-----more food to eat.
women and men are working to make algae taste b----- .