ballast

/'bælәst/

柯林斯星级

BNC频率: 20248

现代语料频率: 14813

GRE

中文翻译

n. 压载物, 压舱物

[经] 底货, 压舱货

英文解释

n. any heavy material used to stabilize a ship or airship

n. coarse gravel laid to form a bed for streets and railroads

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

n. an electrical device for starting and regulating fluorescent and discharge lamps

词态变化

过去式:ballasted

过去分词:ballasted

现在分词:ballasting

复数形式:ballasts

第三人称单数:ballasts

常见例句

A toll paid for the privilege of taking up ballast in a port or harbor.

v make steady with a ballast

something that steadies the mind or feelings n a resistor inserted into a circuit to compensate for changes (as those arising from temperature fluctuations) n an electrical device for starting and regulating fluorescent and discharge lamps v make steady with a ballast

Pigs of iron used for ballast.

also, ballast. n