The salinity of the earth's oceans is about thirty-five parts per thousand, meaning that there are about thirty-five grammes of dissolved solids and gases in one kilogramme of water.
The salinity of the earth's oceans is about thirty-five parts per thousand, meaning that there are about thirty-five grammes of dissolved solids and gases in one kilogramme of water.
地球海洋里的盐度大约为35%，意思是说，在每公斤的水中约含有35克溶解的固体和气体。