VOA慢速英语:日本升级与韩国的贸易争端

preferred –adj. the like someone or something more than someone or something else

resolute –adj. very determined

semiconductor –n. a material that can conduct electricity needed in modern electronic devices

supply chain –n. the system of organizations, people and resources needed to mover products and service to the places where they are needed

presumably –adv. what is likely, what one thinks is likely

frustrated –adj. to be upset because of not being able to do or complete something