Definition of Africa in English:
Africa
proper nounˈafrɪkəˈæfrəkə
The second largest continent, a southward projection of the Old World land mass divided roughly in two by the equator and surrounded by sea except where the Isthmus of Suez joins it to Asia.
非洲（世界第二大洲，为旧大陆向南的凸出部分，被赤道大致平分为南北两半；整个非洲大陆除由苏伊士运河与亚洲相连的部分外，四面临海。）
Definition of Africa in US English:
Africa
proper nounˈafrəkəˈæfrəkə
The second largest continent (11.62 million square miles; 30.1 million sq km), a southward projection of the Old World landmass divided roughly in half by the equator and surrounded by sea except where the Isthmus of Suez joins it to Asia.
非洲（世界第二大洲，为旧大陆向南的凸出部分，被赤道大致平分为南北两半；整个非洲大陆除由苏伊士运河与亚洲相连的部分外，四面临海。）