ballast [i b2lqst ]    (¼øÀ§: 8839 - ´ëÇÐ ¼öÁØ)  
¶æ ¸í) (¹è) ¹Ù´ÚÁü; (±â±¸) ¸ð·¡ ÁÖ¸Ó´Ï
Mean Heavy material that is placed in the hold of a ship or the gondola of a balloon to enhance stability.
ÆÄ»ý¾î ballasting  [¸í] ¹Ù´ÚÁü Àç·á; ±î´Â ÀÚ°¥
¿¹¹® 1. have ballast (¸¶À½ÀÌ ¾ÈÁ¤µÇ¾î ÀÖ´Ù)
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