VOA慢速英语:Tips for Using Google Maps When You Travel

road trip - n. a long trip in a car, truck, etc.

efficiently - adv. capable of producing desired results without wasting materials, time, or energy

itinerary - n. the places you go to or plan to go to on a journey

download - v. to move or copy (a file, program, etc.) from a usually larger computer system to another computer or device

bar graph - n. a graph or chart that uses narrow columns of different heights to show and compare different amounts

elevation - n. the height of a place

drag- v. to move (items on a computer screen) by using a computer mouse or your finger on a touch screen​

venue - n. the place where an event takes place