【 以下文字转载自 Comment 俱乐部 】
发信人: CornucopiaX (VE RI TAS), 信区: Comment
标 题: 红十字会到底是干什么的?
发信站: BBS 未名空间站 (Tue Oct 31 15:51:39 2017, 美东)
The American Red Cross recommends a minimum of 9 feet of water depth for
head first dives including dives from pool decks.3