地震活动带 dìzhènhuódòngdài seismic zone Origin Definitions Defs Strokes Stroke Words Sentences Sents 地震 dìzhèn noun earthquake earthquake; to shake or undergo an earthquake; movement of the earth's crust caused by tectonic shifts, volcanic activity, or explosions活动 活動 huódòng adjective movable movable; mobile; flexible; adjustable带 帶 dài noun zone zone; area; region; belt of land