關於Unsolved的英語精選
> 列表未解之謎 Unsolved Mysteries
2013-06-23Overthepastseveraldecades,theU.S.,Canada,andEuropehavereceivedagreatdealofmediaandevenresearchattentionoverunusualphenomenaandunsolvedeincludeUFOsaswellassightingsandencounterswith“nonhumancreatures......