VOA慢速英语:Meet the Newest Robots Joining the Work Force

innovator – n. person who introduces new ideas and products

task – n. job for someone to do

conscience – n. feeling inside that you did something wrong

mundane – adj. lacking interest or excitement in, dull

bored – adj. complete lack of interest in something

advances – n. progress made in improving something

terrain – n. a stretch of land

hazardous – adj. harmful, risky, dangerous

colleague – n. person who works with you