들소
Bison are large animals with big heavy brown fur. Also called buffalo, they are the largest mammals in North America.

의지력
Willpower is a mysterious force that helps us to control our actions and achieve our goals. We also call willpower determination, drive and self-control.

에베레스트 등반
A Nepalese official says that it is time to examine the rules on who is permitted to climb Mount Everest, the world’s tallest mountain.

잡담
Small talk. Chitchat. These are the short conversations we have at parties, while we wait in line at the store, at family events or work.

훌라 후프
The games that Americans play these days often involve ultra-realistic, high-tech video sports and combat simulations. We still dabble with archaic games like solitaire and chess...

디딤돌
In a creek or river, stepping-stones are rocks with flat tops that sit above the water line.

고통 없이는 얻는 것도 없다
Alicia: Well, it must be so hard to exercise for so long. Mike: Yeah. But I want to look good. And you know -- no pain, no gain.

땅콩 알레르기
Millions of American children are raised on peanut butter and jelly sandwiches. PB&Js, as we like to call them, are found in children’s lunchboxes across the country.

레몬
There are several kinds of citrus fruit. The most common are limes, oranges, grapefruit, tangerines and lemons.

남획
Not so long ago, the world’s oceans were filled with different types of fish. Now, a large increase in global overfishing has threatened that supply.

향신료
People have used herbs and spices in food for thousands of years. Some of these substances are valued for their sharp taste. Others are chosen for their smell.

음악을 들으면
The Chinese philosopher Confucious was reported to have said, "Music produces a kind of pleasure which human nature cannot do without."

돌부처
A stick in the mud is a boring or uninteresting person. They do not try anything new. They are not willing to take a risk.

가상현실을 이용한 수술 준비
She is at peace with the operation because she has been inside her own brain through virtual reality.

앙코르 와트 유적지
The travel website TripAdvisor has named Cambodia’s ancient Angkor Wat as the top landmark in the world.

내가 낼게
The dinner was so good, wasn’t it? Yes, it was. Oh! Here comes the waiter with the check. How much did the bill come out to?

로또 열풍
It’s a line to buy lottery tickets. It’s only a day away from the next drawing for the huge Powerball lottery jackpot. 복권 사기 위한 줄이야. 엄청난 파워볼 복권 당첨금이 걸린 다음 번 추첨이 딱 하루 남았거든.

싸이의 강남스타일
"Gangnam Style" is one of the most viewed videos ever on the Internet. It has ranked high on music charts in Asia, Europe and North America. And is what many say is South Korea's most successful cultural export.

스마트 밴드
Simple bandages are easy to use. They cover and protect wounds, giving them time to heal. Now scientists say they are developing new kinds of bandages. They have begun adding small sensors to bandages. making them more sensitive.

사소한 일로 열 받지 마
Alice! Are you still upset? Yes I am. Don’t sweat the small stuff. It’s not worth it. Just let it go.