地球磁场 dìqiúcíchǎng Earth's magnetic field Origin Definitions Defs Strokes Stroke Words Sentences Sents 地球 dìqiú noun the earth the earth; the planet on which we live; the third planet from the sun in our solar system磁场 磁場 cíchǎng noun magnetic field a region around a magnetic material, current, or moving electric charge within which the force of magnetism acts