The Caspian Sea is one of the deepest salt water lakes in the world.
翻译为世界上最深的咸水湖之一是里海water可不可以去掉salt可不可以改为saltyThe Caspian Sea is one of the deepest salty lakes in the world. 去掉“water”（salt）改为（salty）意思变了：里海是世界上最咸湖泊之一。并没有深的意思。