VOA慢速英语:发明家因鱼废料中的“塑料”而获奖

algae – n. a simple, nonflowering plant that grows in water

stable – adj. having a chemical structure or physical state that does not change easily

biodegrade – v. to break down into simpler substances

polymer – n. a chemical compound made of smaller molecules linked together to form large repeating structures

flexible – adj. easily bent

evolve – v. to change and develop slowly over time

abundance – n. a large amount of something