和谐英语

VOA慢速英语:年轻人在谷歌科学挑战赛解决世界问题

2019-08-02来源:和谐英语
Words in This Story

sustainability – n. the ability to be kept or continue at a set rate or level

branch – n. a part of a tree

proud – adj. feeling deep satisfaction

appreciate – v. to recognize the worth of someone or something