South America (South America), Africa (Africa), Oceania and Antarctica.
There are no eight oceans, only five: the Pacific Ocean, the Atlantic Ocean, the Indian Ocean, the Arctic Ocean and the Antarctic Ocean.
Among them, the Antarctic Ocean is the fifth ocean. In 2000, the International Hydrographic Organization identified the Antarctic Ocean as an independent ocean, making it the fifth ocean besides the four oceans.
The International Hydrographic Organization defines the Antarctic Ocean as the ocean surrounding Antarctica within 360 degrees longitude, with an area of 20.327 million square kilometers and a coastline of 17968 kilometers.
Extended data:
The full name of Europe is "Europa", which literally translates as "the place where the sun sets in the west".
Asia is the abbreviation of "Asia Asia", which means "the place of sunrise in the East".
The name America is said to commemorate a famous navigator named Amerigo Weiss Pucci in Florence.
Oceania means "land in the ocean". Generally speaking, it refers to most of the islands in the Pacific Ocean. In a narrow sense, it refers to Australia, New Zealand and Polynesia in the east of the Pacific Ocean, Micronesia in the middle and Melanesia in the west.
Antarctica is named because this continent is located around the southernmost pole of the earth.
References:
Baidu encyclopedia-seven continents
Baidu encyclopedia-four oceans