ballast
Definition
Heavy material used to stabilize a ship or vehicle; anything that provides stability or balance.
한국어 선박이나 차량을 안정시키는 무거운 물질
Example
"The train uses ballast to keep the tracks firmly in place."
Heavy material used to stabilize a ship or vehicle; anything that provides stability or balance.
한국어 선박이나 차량을 안정시키는 무거운 물질
"The train uses ballast to keep the tracks firmly in place."