perilous (adj)

Extremely dangerous (아주 위험한)

crevice (n)

A deep or narrow crack or space, especially in the surface of a rock (바위나 담에 생긴) 틈

thrilling (adj)

very exciting (아주 신나는)

chute (n)

A narrow, steep slope through which objects or people may pass 활송 장치(사람들이나 물건들을 미끄러뜨리듯 이동시키는 장치)

witness (v)

To see or watch something happen in real time (목격하다)

twirl (v)

To rotate or spin around quickly and lightly (빙글빙글 돌다)

massive (adj)

Very large in size, amount (거대한)

unfathomable (adj)

Not able to be imagined, impossible to understand (불가해한)

concentration (n)

power of focusing all one’s attention (정신 집중)

breathtaking (adj)

extremely beautiful (너무 아름답거나 놀라워서) 숨이 (턱) 막히는

descent (n)

A way down, such as a path, or an act of coming down (내리막, 하산)

dizzy (adj)

causing a feeling of spinning and being unable to balance (어지러운)

immerse (v)

To lose oneself in an activity (~에 몰두하다)

excursion (n)

A short trip made for pleasure (보통 단체로 짧게 하는) 여행

avalanche (n)

The sudden rush of a large amount of snow, ice, or rocks down a mountain (눈/산사태)

excel (v)

To do something very well (뛰어나게 잘 하다)

helicopter (n)

A type of aircraft without wings but with large blades that spin 헬리콥터

perish (v)

To die or be destroyed by violence (죽다,소멸되다)