VOA慢速英语:世卫组织称饮用水中的微塑料不构成健康威胁

sanitaion –n. the process of keeping places free of infection, dirt and disease by removing waste

hygiene –n. things that people do to keep themselves clean in order to maintain good health

consumer –n. someone or some group who buys goods and services

tap –n. a device that controls the flow of water or other liquids

absorb –v. to take in some liquid

priority –n. something that is more important than other things