VOA慢速英语:“智能农场”技术追踪奶牛行为

artificial intelligence – n. the ability of a machine to reproduce human behavior

ruminate – v. to bring up and chew again what was already chewed and swallowed

welfare – n. the state of being happy and healthy

outdated – adj. no longer useful or acceptable: not modern or current

contraction – n. a strong, painful movement of muscles experienced during the birthing process

task – n. a piece of work given to someone