ballast
US /ˈbæl.əst/
UK /ˈbæl.əst/
名词
1.
压舱物, 镇流器
heavy material, such as gravel, sand, or iron, placed in the hold of a ship or the gondola of a hot-air balloon, to improve stability
示例:
•
The ship needed more ballast to remain stable in the rough seas.
船需要更多的压舱物才能在波涛汹涌的海上保持稳定。
•
Hot-air balloons use sandbags as ballast to control altitude.
热气球使用沙袋作为压舱物来控制高度。
2.
稳定物, 支柱, 基础
something that gives stability or substance
示例:
•
His calm demeanor served as a much-needed emotional ballast during the crisis.
在危机期间，他沉着的举止起到了急需的情感稳定作用。
•
The traditions of the community provided a moral ballast for its members.
社区的传统为其成员提供了道德支柱。
动词
装压舱物, 压载
to give stability to (a ship) by loading it with ballast
示例:
•
They had to ballast the ship before setting sail.
他们必须在启航前给船装上压舱物。
•
The submarine was ballasted with water to submerge.
潜艇用海水压载以潜入水下。