- 问题详情:Agroupofswimmershasdescribedhowagroupofdolphinsprotectedthemfromagroupofwhitesharks(食人鲨)offthecoastofNewZealand.Thelifeguardswereonatrainingswimwhentheycameacrossagroupofgreatwhitesharksbeforethedolphinsracedintohelp.Theswimmersweresurrounde...
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