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。)