福克斯词典 \ 英汉词典 \

ballast是什么意思？

ballast

英[ˈbæləst] 美[ˈbæləst]
  • 复数：ballasts;
    • 相关单词 ballastageballastingballastronisoballastballastsballastedballast lampballast tubeLooking for ballastballast resistor
    例句
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    词组
    • in ballast
      (of a ship) laden only with ballast （船）只装有压舱物
    柯林斯高阶英汉双解学习词典释义
    • N-UNCOUNT
      压舱物；镇重物
      Ballast is any substance that is used in ships or hot-air balloons to make them heavier and more stable. Ballast usually consists of water, sand, or iron.
    英汉词典释义
    英英词典释义
    • Noun
      1. any heavy material used to stabilize a ship or airship
      2. coarse gravel laid to form a bed for streets and railroads
      3. an attribute that tends to give stability in character and morals; something that steadies the mind or feelings
      4. a resistor inserted into a circuit to compensate for changes (as those arising from temperature fluctuations)
      5. an electrical device for starting and regulating fluorescent and discharge lamps
    • Verb
      1. make steady with a ballast
    行业词典
    • 体育： 压舱物；沙囊；镇流器；
      土木工程： 道碴；
      电力： 镇流器；
      电工： 镇流器；
      船舶： 压载；专门用来改变船舶的浮态和重心位置的固体物和液体物的总称。；
      铁道： 道碴；