Earthquakeshappenwithoutwarning(前兆).Theycanhappenanytim...
問題詳情：Earthquakeshappenwithoutwarning(前兆)canhappenanytimeofaday，atanypointduringtheanearthquakeishappening，youshouldknowwhatyoushoulddoornotdo.DoNOTgocouldgetinjuredfromfallingglassorpartsofyouareou...