n. 压载物; 压舱物; (铺铁路路基时所用的)石块; 镇流器; 稳定力量
vt. 给 ... 装压舱物(压载物); 使稳定
If not ventilated properly, their ballast circuitry can get fried enough to fail. 如果通风不畅,压载物的线路板会如同被煎过似的坏掉。
The ship was furnished with ballast. 船上装了压舱物。
The starting time is the time the ballast needs to light and stabilise the lamp. 镇流器使灯启动并使其稳定工作所需的时间。