“压舱水”的英文表达是 ballast water。
“Ballast”意为“压舱物;使稳定的东西”,“ballast water” 即船舶为保持航行稳定而装载的水,在航运和海洋环境保护领域是常用术语。例如:Ships must discharge their ballast water in designated areas to prevent the spread of invasive species.(船舶必须在指定区域排放压舱水,以防止外来物种的传播。 )