ballast中文什么意思

n.
1.镇重物，压载物，压舱物，底货(石、沙等)；(轻气球的)沙囊。
2.【铁路】道碴，道圆。
3.【电学】镇流电阻，镇流器。
+更多解释...4.使(性格)坚定的经验[道德等]，稳定因素；〔比喻〕沉着，稳定。
短语和例子
in ballast【航海】只装底货；只装(沙、石等)压舱物。vt.
在…上装压舱物[沙囊]；为(铁路等)铺道碴；使稳定，使沉着。n.
-ing
1.装底货，铺道碴。
2.压舱材料；道碴材料。

• ballast (to):    空载行驶
• be in ballast:    只装
• in ballast:    空载, 放空; 压舱货; 压载

例句与用法

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1. It was my conviction that a concept of our fundamental national interests would provide a ballast of restraint an assurance of continuity .
   我认为，对于我们的基本民族利益有了一个概念，才能保证沉得住气，才能保证始终如一。
2. Self ballasted lamps for general lighting services
   一般照明用自设镇流器的灯；
3. Marine ballasts for high pressure mercury vapour lamp
   船舶用高压汞蒸气灯镇流器
4. General specification for ballast tanks paint of ship
   船舶压载舱漆通用技术条件
5. Fluorescent lamp ballasts , methods of measurement of
   荧光灯用镇流器的测量方法

英文释义

名词

1. any heavy material used to stabilize a ship or airship
2. an electrical device for starting and regulating fluorescent and discharge lamps
   同义词：light ballast
3. a resistor inserted into a circuit to compensate for changes (as those arising from temperature fluctuations)
   同义词：ballast resistor, barretter
4. an attribute that tends to give stability in character and morals; something that steadies the mind or feelings
5. coarse gravel laid to form a bed for streets and railroads

动词

1. make steady with a ballast