3min 30s Novice English
如果你生活在地震多发地区,就不是一个“如果”问题了,而是地震何时会发生。
这些是地震发生时保护自己的最好方法。
We encourage the reuse and dissemination of the material on this site as long as attribution is retained. To this end the material on this site, unless otherwise noted, is offered under Creative Commons Attribution (CC BY 4.0) license