词汇 ballast 在中文的含义

ballast 在英语中是什么意思?与 Lingoland 一起探索这个词的含义、发音及具体用法

ballast

US /ˈbæl.əst/
UK /ˈbæl.əst/

名词

1.

压载物

heavy matter such as sand, stone, or water that is used at the bottom of a ship or a hot-air balloon to make it heavier, or the small stones on which railroads and roads are made:

示例:
The weed may have been accidentally imported in soil used as ship ballast.
在 Lingoland 学习这个单词