VOA慢速英语:Climber Reaches Top of El Capitan Without Ropes

elated - adj. very happy and excited

solo - n. something that is done without another person

thumb - n. ​the short, thick finger on the side of your hand​

daunting - adj. ​tending to make people afraid or less confident : very difficult to do or deal with

harness - n. ​a set of straps that are used to connect a person to something (such as a parachute or a seat)​

outrageous - adj. ​surprising or shocking​

insane - adj. ​wild and uncontrolled​

enormous - adj. very great in size or amount