VOA慢速英语:报告称教师发现科技对课堂有帮助

digital – adj. relating to computer technology, especially the internet

positive – adj. having good and happy thoughts about something

negative – adj. not desirable or hopeful

addicted – adj. physically and mentally dependent on something

figure out –v.

click – v. to press on part of a computer to make it do something

laptop – n. small computer designed to be easily carried

detriment – n. causing damage to something

K-12 – adj. relating to primary and secondary education. The U.S., Canada and other countries use the term to describe publicly supported school grades before the start of college