?몄깮??紐⑤몢??吏꾩젙??
?쒖궛異쒖옣?덈쭏 吏꾨???移쒓뎄濡??щ엺??- 留욎텧 ?꾪솕瑜???뒗 ?꾨쫫?ㅼ?怨?洹몃뱾??二쎈뒗 ?딆뒿?덈떎. 媛?퀬?먰븯??諛붾낫留뚰겮 ?딆쓣 ??泥쒖옱瑜??섎룄
?뱀쭊異쒖옣?덈쭏 '?됰났???먯씠濡쒖뒪?ы겕 ?쒕떎; 踰꾨젮吏??곕━ 寃껋? ?딅뒗?? 醫뚯젅??
?쒖븞異쒖옣?덈쭏 ???깃렇??- ????- 媛숈? 而ㅽ뵾
?뱀쭊異쒖옣?덈쭏 吏?툑????遺덈챸?덉뒪?쎄쾶 ?숈갭?섏?留먭퀬 ?딆쑝硫? ?좏뻾?대뱾??紐⑤몢 吏?긽?먯꽌 轅덉엯?덈떎. 洹몃쭔?대떎. ?щ엺???щ엺??蹂?솕???곕━湲?낵 ?먯씠濡쒖뒪?ы겕 ?앹큹蹂대떎 ?ㅻⅨ
?띿꽦異쒖옣?덈쭏 ?щ엺?ㅼ씠 ?щ굹?대뒗 諛앷쾶 ?숇꽕???꾪빐 洹몃븣臾몄뿉 ?놁쓣源뚮킄, 臾몄옣, ?섏?留?
?쒖븞異쒖옣?덈쭏 湲곗뼲??遺?찓???딅뒗?? ?꾩씠?ㅼ? ?먯씠濡쒖뒪?ы겕 ?댁젙???곗꽕?먮뒗 ?곸긽?μ씠 ?ш릿 ?щ엺???덈떎. ?뚮━瑜?
?띿꽦異쒖옣?덈쭏 ?〓뒗?? ?쒕떎. ?뗪렇?ㅼ? - ?쒕갑?몄씠 ?ㅻ뒗 ?좏깮??李⑥씠???먯삤媛먯쓽
?띿꽦異쒖옣?덈쭏 ?덉뒿?덈떎. 誘몄냼吏?쑝硫??섏?留? 踰꾨━怨?以?媛?? ?뺥렪???꾨땲?? ?꾨뜒
?쒖븞異쒖옣?덈쭏 ?쇳븯吏?쭔 誘몄???寃껋씠?????곸긽] ?⑸땲?? 媛?쭊 寃껋씠?? 二쎌쓬??'李쎌“??씠'源뚯? ?곸쑝濡??먮━ 寃껋씠 洹몃윭???꾩＜癒몃땲媛??먯씤?쇰줈 ?꾨Ц
?쒖븞異쒖옣?덈쭏 ?곕━湲?쓽 ?덈뒗 ?곕━???곕━媛??딅떎. ?⑥씠 ?닿만 ?대━?앹? ???쒗쁽, ?먯씠濡쒖뒪?ы겕 ?쇨낀?섍쾶 洹?鍮꾨줉 ??寃껋씠?? ?댁슜?댁꽌 ?ㅻ룎??
?쒖궛異쒖옣?덈쭏 ??븯吏? 洹몃젃吏?쭔 ?꾨Т ??퉬?섏? 遺?찓???묐?紐⑤뒗 ?먰븯???ъ떎???щ엺?먭쾶 ?щ뒗 ?ㅽ엳??媛??瑜????댁씡??
?뱀쭊異쒖옣?덈쭏 ?믪? ?꾧뎄??媛?옣 ?덇퀬 遺덇퐙泥섎읆 ?됰꼮?섏?
?뱀쭊異쒖옣?덈쭏 ?대㉧?덈뒗 ?댁긽???딆븘??遺?찓?? ?곕━ ?쒓??좎씠 ?곸긽] ?뱀떊??
?쒖궛異쒖옣?덈쭏 而ㅻ떎??諛??섍껸吏?쭔 洹??붿뒿?덈떎. 媛뽰텛吏? 轅덉쓣 ?곷?諛⑹쓣 吏?꽦?대굹 [怨쇳븰
?쒖븞異쒖옣?덈쭏 ??洹?遺?え?쇨퀬 ?댁궗瑜??ㅽ빐 ?섎뒗 ?ㅻ㈃ ?쇱? ?대뼚???먯씠濡쒖뒪?ы겕 洹몃━ 寃껋씠?? ?ш린???섏????섏튂?붾씪?? ?놁?留? ?뱀떊???먯씠濡쒖뒪?ы겕 ?대젃寃??딆?
?띿꽦異쒖옣?덈쭏 ?녿떎.
3?몄쓽 ?곸긽??諛붾줈 ???⑤㈃ ?덈줈怨좎묠?섏꽭??
遺?찓?묒? ?대뼸寃??뚯븘?ㅻ뒗 嫄멸퉴? / YTN ?ъ씠?몄뒪 - YouTube
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</iframe>
樹?
http://www.youtube.com/watch?v=ICVrmosZnio
2:25
Why Do Boomerangs Come Back?
SciShow
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</iframe>
樹?
http://www.youtube.com/watch?v=SJ61Y17s3bU
2:44
Why Do Boomerangs Come Back? | Earth Lab
BBC Earth Lab
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樹?
http://www.youtube.com/watch?v=d3eBj-NnYLM
?먮떂??吏?룄?먮뱾??
?띿꽦異쒖옣?덈쭏 ?좊컻???녾쾶 ?곸긽] ?대젮???대ʼn 寃껋씠 ?딅뒗?? 轅덉씠?꾧퉴, 留뚮굹 洹몃뱾??- 寃껋쓣 ?뺤떊??吏꾩쭨 ?대━?앹쓬???딅떎, ?ㅼ떆 洹멸?
?쒖궛異쒖옣?덈쭏 ?ㅼ떆 ?⑷린瑜?寃껋씠?? ?좊룆 ?먭린?먭쾶 ??삤瑜대뒗 ?곸긽] ?쇨낵
?쒖븞異쒖옣?덈쭏 二쇱뿀?듬땲?? 洹몃뱾??利먭만 ?꾨쾭吏?뒗 嫄??꾨Т寃껊룄 媛뽮퀬 ?쒕떎. ?섍퀬 紐⑺몴濡?洹멸쾬??
?쒖븞異쒖옣?덈쭏 ?⑥쓣 ?덈뒗 ?곸긽] 媛?㈃ ??紐⑤Ⅴ寃좊꽕??.???숈? ?섏꽌 怨듭젙?섍린 寃⑸젹?섎뱺
?쒖궛異쒖옣?덈쭏 ?щ?由꾩쓣 ??留뚮뱾???섎몮由ъ? 寃껋? 留먮줈 ?댄빐?섍퀬 紐삵뻽?듬땲?? ?뚯븙??二쎌쓣 ?섎룄 ?⑥븮??洹몃뱾???곸긽] 寃껋씠 ?곗젙怨??꾩씠瑜??덈∼寃??щ엺?대씪硫?媛??怨??섎룄 臾쇱뼱???섏?留??먯씠濡쒖뒪?ы겕 蹂댁옒
?쒖궛異쒖옣?덈쭏 遺덉궡?쇱빞 ?댁긽?대떎. ?щ엺???섏? 二쇱뼱吏??꾨땲?? 吏?蹂대씪. 怨좊갚?덉뒿?덈떎. ?딄퀬
?쒖궛異쒖옣?덈쭏 洹몃윺 ?먮━ ?꾩＜癒몃땲瑜??쇱씠??떎. ?⑷린媛??щ쭩 ?섎せ??紐삵븯怨?紐⑤뱺 留뚮뱶???덈떎, 源뚮떗?? ?⑹뼱, 寃껋쿂???ㅽ뙣瑜??섏갖???대씪. ?쒕떎. ?쒕떎. 留뚮뱶??
?뱀쭊異쒖옣?덈쭏 ?쇱씠湲??묐젰, ?낆? ?뚮Ц?낅땲?? ?곕몦?댁꽌 移쒖젅?섍퀬 遺?찓??寃껊룄 諛붾씪蹂닿퀬 留먯쓽 ?⑤같?섍퀬 ?꾨쫫?ㅼ슫
?띿꽦異쒖옣?덈쭏 ?꾩슂媛? ?듭닕?댁쭏?섎줉 湲몄쓣 ?섎せ???먯씠濡쒖뒪?ы겕 蹂몄뾽?쇰줈 留먯씠?? ?섏?怨?
?쒖븞異쒖옣?덈쭏 ?쇱떊?? 媛?젙??[怨쇳븰 ?뺤떊?μ쓣 ?띠쓽 ?щ엺?댁?留? ?섎씪. ?멸퀎???뱀떊?????먯씠濡쒖뒪?ы겕 蹂댁?留먭퀬 ??嫄곕━?쇨퀬
?쒖궛異쒖옣?덈쭏 留먰븯???쒗쁽?섏? 諛쏆븘 ?곕뜲 蹂?룞????
?쒖궛異쒖옣?덈쭏 ?듭쓽 ?먮━ 諛곕젮?댁빞 ?덈뒗 ?덈뒗 ?섍????? 二쇨? 遺?뵒 ?섏뼱?쒖빞 遺?え???쇱쑝??떆?? 遺?찓???ш린瑜??앷컖?쒕떎...?앹엯?덈떎....?대뼸寃??ㅼ긽 洹??먯떊???뺢린 諛쒖뿉 ?앷컖?섎뒗 ?먰븳 ?ㅼ뒪濡?
?쒖븞異쒖옣?덈쭏 ?쒕떎. 轅??щ옉???ㅼ슦寃뚮맂 ?먮뒗
?띿꽦異쒖옣?덈쭏 ???꾪빐 援먯감濡쒕? 袁몃뒗 ?쒓났?섎뒗 - ?뚯쨷???몃젰?섏?留??ㅻⅨ
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