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WordNet ÀÏ¹Ý ¿µ¿µ »çÀü °Ë»ö °á°ú : 3 ÆäÀÌÁö: 1
ballast any heavy material used to stabilize a ship or airship
ballast make steady with a ballast
ballast a resistor inserted into a circuit to compensate for changes (as those arising from temperature fluctuations)
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