VOA慢速英语:优胜美地国家公园重开 但旅游业仍在衰退

deplete - v. to use most or all of (something important)

dozen - n. a group of 12 people or things

let go - v. to end someone's employment

paddleboard - n. A surfboard or similar long narrow board that a rider propels over the water, often in a standing position by means of a long-handled paddle. intransitive verb.

reserve - v. to make arrangements so that you will be able to use or have (something, such as a room, table, or seat) at a later time

scrambling - v. to move or act quickly to do, find, or get something often before someone else does

crystal clear - adj. perfectly clear; able to be seen through completely