![Ifyouseesomeonedrowning,speedisveryimportant.Onceyouget...]( "Ifyouseesomeonedrowning,speedisveryimportant.Onceyouget...")
- 问题详情：Ifyouseesomeonedrowning,speedisveryimportant.Onceyougethimoutofthewater,ifheisn’tbrathing,youhavefourminutesbeforehisbrainiscompletelydestroyed.Supporthisneck,movehisheadbackandpresshischinupwards.Thisstopsthetongueblockingtheairwayinthethro...
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