群发性地震 qúnfāxìngdìzhèn earthquake swarm Definitions Defs Origin Strokes Stroke Words Sentences Sents 群发性地震 群發性地震 qúnfāxìngdìzhèn earthquake swarm a series of many small earthquakes occurring in a localized area over a short period of time
群发性地震 群發性地震 qúnfāxìngdìzhèn earthquake swarm a series of many small earthquakes occurring in a localized area over a short period of time
