慢速英语:Algae May Help Feed a Hungry World
日期:2017-06-13
Words in This Story
resources – n. a usable stock or supply, such as money, land or water
fatty acids – n. an acid that is naturally in fats and various oils
lipids – n. any one of various substances that contain fat and that are important parts of living cells
powder – n. a dry substance made up of very tiny pieces of something
edible – adj. suitable or safe to eat
synthetic – adj. made by combining different substances : not natural
substitute – n. a person or thing that takes the place of someone or something else
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