ballast

/'bælәst/ uk　 词频 #14813

英语专业八级

ballast 是什么意思

中文释义

n. 压载物, 压舱物

[经] 底货, 压舱货

英文释义

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

ballast 的真实例句

以下例句摘自真实英文文章，看看 ballast 在自然语境里怎么用：

They called this process reverse learning, and originally attributed it only one purpose: forgetting the unnecessary memory ballast.

—— Good Sleep, Good Learning (2012)

Previous research using the ship's ballast identified Brundisium—today Brindisi—on the south-eastern coast of Italy as the ship's place of construction.

—— This 2,200-year-old Roman wreck hid a repair story that rewrites how ancient ships survived long voyages

Crick named those ballast memories "parasitic memories", saying that "REM sleep allows us to have a smaller brain for a greater purpose".

—— Good Sleep, Good Learning (2012)

词形变化

同词表相邻词汇