1-mugshot 大头照，面部照片

Facial recognition technology uses a database of photos, such as mugshots and driver's license to identify people.

2-biometric 生物识别

3-map 了解，发现

It uses biometrics to map facial features and help verify identify through the key features of the face.

4-exponentially 快速增长地

The market for this technology is growing exponentially.

5-surveillance 监视

The most significant uses for the technology being for surveillance and marketing, and this, however, raises many concerns for many people.

6-conviction 定罪，判罪

Not only is this concern with the possibly of misidentifying someone and leading to wrong convictions, it can also be very damaging to our society by being abused by law enforcement for things like constant surveillance of the public.

7-outlaw 把……定为非法，全面禁止

California cities, such as San Francisco and Oakland, and some cities in Massachusetts have outlawed certain uses of facial recognition technology for city officials including law enforcement.