音标与读法

这里为大家介绍下ballast 是什么意思，希望能帮助到各位朋友。

过去式:ballasted过去分词:ballasted现在分词:ballasting

中英文翻译

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。

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。

any heavy material used to stabilize a ship or airship

an electrical device for starting and regulating fluorescent and discharge lamps

同义词：light ballast,

a resistor inserted into a circuit to compensate for changes (as those arising from temperature fluctuations)

同义词：ballast resistor, barretter,

an attribute that tends to give stability in character and morals; something that steadies the mind or feelings

coarse gravel laid to form a bed for streets and railroads

make steady with a ballast

例句与用法

1.Arc lamps require a current-limiting ballast .

弧光灯需要一个限流镇流器。

2.The rail beds well on the ballast .

铁轨在道碴上搁得很稳。

3.He furnished psychological ballast to a desperate president .

他给一位在绝望中挣扎的总统提供了心理镇定剂。

4.The rails of the two tracks are supported on wooden ties resting on a ballast .

两条线路的钢轨放置在有道碴承托的枕木上。

5.So are the motions of a little vessel without ballast tossed about on a stormy sea .

在惊涛骇浪的大海上，一只没有压舱物的小船就是这样颠颠簸簸。

6.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。

7.Self ballasted lamps for general lighting services

一般照明用自设镇流器的灯；

8.Marine ballasts for high pressure mercury vapour lamp

船舶用高压汞蒸气灯镇流器

9.General specification for ballast tanks paint of ship

船舶压载舱漆通用技术条件

10.Fluorescent lamp ballasts , methods of measurement of

荧光灯用镇流器的测量方法

单词网DANCI.583316.cOm