507
쉰 목소리
If using your voice is difficult, then you know what dysphonia is. The more common name for this disorder is hoarseness.
505
에어 기타
Anyone can try to play the guitar. But it takes a special talent to play an invisible guitar.
503
전자책
These days, instead of turning paper pages, many readers reach for handheld devices. These electronic readers not only store books to show on a screen, they can also read them out loud.
501
에너지 드링크
You could fill a store with all the energy drinks now available. They promise to make people feel more energetic and think more clearly.
492
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.
490
채식주의자
Some vegetarians do not eat any meat products or any food made from animal labor, including milk products, eggs and honey. This kind of diet is called a vegan diet.
488
에세이 공장
Many can be found on the Internet. They sell newly written papers on many subjects. The cost depends on the difficulty of the subject and how soon the paper is needed.
484
백악관 야채밭
The vegetables and fruit will help provide meals for the Obama family, White House workers and guests. The produce will also go to a nearby center that provides food for homeless people.
483
세계에서 가장 싼 차
The small four-door car is about three meters long. It will cost one hundred thousand Indian rupees, or two thousand dollars. That is about half the price of similar cars offered by the nearest competitor.
475
아기 치아
Bad teeth can be painful -- and worse. They can even be deadly. Infections of the gums and teeth can release bacteria into the blood system.