tsunami海啸介绍英语.ppt

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1、海啸第一小组tsunamiWhatisthetsunami？·Tsunamiisakindofwaves,whichhasastrongdestruction.·Thewavesoftsunamiarewater,andtheirheightcanhigherthan10meterstodozensofmeters,forma"waterwall".Howtsunamiwork?·theunderseaearthquake·thevolcanicexplosionoftheseabedAgreatwarningsignofanapproaching

2、tsunamiis"drawback",whentheseawaterrecedesquicklyorthewaterlevelfallunusuallyalongtheshoreline.（一个明显的海啸即将来临的征兆是“缺点”，当海水快速退去或沿海岸线水位异常下降。）Howtopredictit?Howtopredictit?Expertsbelievethatarecedingoceanmaysendoutawarningandgivepeoplefiveminutestoevacuate[ɪ'vækjʊeɪt]（撤退）.Pleasereme

3、mberYou'renotoutofdangerafterthefirstwaveofatsunami.Moveawayfromtheshorelineandgotohighergroundassoonasyoucan.TheendThankyou!知识回顾KnowledgeReview祝您成功！