[译] 非洲位于赤道上，向南北各延伸约35度。
[误] Africa sits in the equator, stretching both north and south about 35 degrees.

[正] Africa sits on the equator, stretching both north and south about 35 degrees.
[注] “在赤道上”，须用介词on或at，又如：In Africa on the equator there is a belt of heavy rainfall.非洲赤道上有一条暴雨带。/The magnetic field is horizontal to the earth’s surface at the geomagnetic equator.磁场与地球表面在地磁赤道上呈水平状态。