“压舱物”常见的英文表达是 ballast ,它既可以作名词,表示“压舱物;镇重物;稳定物” ,也可作动词,意为“给……装压舱物;使稳定”。
例如:
The ship was loaded with ballast to ensure stability.(船上装了压舱物以确保稳定。)
They had to dump some ballast to lighten the load.(他们不得不卸掉一些压舱物以减轻重量。)