VOA慢速英语:新技术帮助救援人员找到失踪人员

app(s) – n. a computer program that performs a particular task

priority – n. the condition of being more important than something or someone else and therefore coming or being dealt with first

radius – n. an area that goes outward in all directions from a particular place

accurate – adj. free from mistakes or errors

utilizing – v. using something for a given purpose