- 問題詳情:Agroupofswimmershasdescribedhowagroupofdolphinsprotectedthemfromagroupofwhitesharks(食人鯊)offthecoastofNewZealand.Thelifeguardswereonatrainingswimwhentheycameacrossagroupofgreatwhitesharksbeforethedolphinsracedintohelp.Theswimmersweresurrounde...
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