Ballast
01
压载物, 稳定配重
a heavy substance placed in a ship's hull or an airship's tanks to lower its center of gravity and counteract unwanted tilting, rolling, or drifting
语法信息
有生性状态
无生命
形态构成
简单词
可数
复数形式
ballasts
例子
Submarines flood their ballast tanks to dive and pump them out to resurface safely.
潜水艇淹没其压载水舱以潜水，并泵出它们以安全上浮。
02
镇流器, 电子镇流器
an electrical device used to start and regulate the current in fluorescent or discharge lamps
例子
The electrician replaced the faulty ballast in the ceiling light.
电工更换了天花板灯中故障的镇流器。
03
稳定器, 平衡物
something that provides mental, emotional, or moral stability
例子
Her calm judgment served as ballast during the crisis.
她冷静的判断在危机期间起到了稳定作用。
04
道碴, 碎石
crushed stone laid to form a stable foundation for roads or railway tracks
例子
Workers spread fresh ballast beneath the railway ties.
工人们在铁路枕木下铺设新鲜的道碴。
to ballast
01
压载, 稳定
to make something stable or balanced by adding or using ballast, which is a heavy material used to provide stability
语法信息
形态构成
派生
动作动词
规则
现在时
ballast
第三人称单数
ballasts
现在分词
ballasting
一般过去时
ballasted
过去分词
ballasted
例子
The crew ballasted the ship to prevent it from tilting in rough seas.
船员压载了这艘船，以防止它在波涛汹涌的海面上倾斜。
