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"air sac"¿¡ ´ëÇÑ ¼¼ºÎ °Ë»ö °á°úÀÔ´Ï´Ù
WordNet ÀÏ¹Ý ¿µ¿µ »çÀü °Ë»ö °á°ú : 3 ÆäÀÌÁö: 1
air sac any of the membranous air-filled extensions of the lungs of birds
air sac any of the thin-walled extensions of the tracheae of insects
air sac a tiny sac for holding air in the lungs
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