segregated ballast tank

例句：

1. 1. The school is segregated by race and ethnicity.
   这所学校根据种族和民族进行隔离。
2. 2.The children were separated from their parents during the war.
   在战争中，孩子们与父母分开了。
3. 3.The city has been segregated since the 19th century.
   自19世纪以来，这座城市一直实行隔离政策。