VOA慢速英语:国家间的竞争让地球获益

deforestation – n. the action of clearing a wide area of trees.

volunteer – n. a person who does work without getting paid to do it

one for the record books – phrase. An outstanding, memorable, or record-breaking event or achievement.

category – n. a group of people or things that are similar in some way

dedicate – v. to officially make (something) a place for honoring or remembering a person, event, etc.

elderly – n. an old person

set an example – phrase show a standard of work or behavior for others to follow or copy; show a good, bad, etc. model for others

agenda – n. a list of things to be considered or done

go it alone – phrase to do something by oneself