VOA慢速英语:谷歌发布了新的隐私工具

data – n. information or facts about something

evolve – v. to develop or make something develop

app – n. a computer program that can be put onto a mobile phone or some other electronic device

location – n. a place or position

track – v. to follow the track or traces of something

marginal – adj. small and not important

wholesale – adj. complete or affecting a lot of things, people, places, etc.