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d라이브러리
"lost"(으)로 총 25건 검색되었습니다.- 행성군(群)과학동아 198811
- the nearb star it cirdes. It is therefore much dimmer than a star, and what little light it can give off is utterly lost in the glare of that nearby star.But we needn't actually see a planet to ...
- 자리 바뀐 섬과학동아 198807
- a very meticulous log of his voyage, giving winds, currents, distance covered, and so on. That log, unfortunately, is lost but part of a copy still exists.Two oceanographers at Woods Hole in Ma ...
- 우리는 지금 몇 살인가?과학동아 198806
- the Neanderthals from a distance and thus aviod the dangers of close combat. The poor Neanderthals may there-fore have lost almost every battle and shrunk steadily in numbers until the growing ...
- 책의 혁명과학동아 198712
- small, and the number of copies of a particular book even smaller. Consequently most ancient and medieval books are lost and forever gone. In the 1400s, however, printing with movable type came ...
- 가장 큰 날짐승과학동아 198709
- Their warmbloodedness must be insulated, since not much of the energy produced with such difficulty can afford to be lost as radiant heat. Birds, therefore, have feathers, a particularly effic ...
