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小白初学蛙泳电子教程

  • 2026-11-05 21:09:04

小白初学蛙泳电子教程

蛙泳0到畅游
核心：憋气漂浮是蛙泳的地基，不练好容易惧水、下沉
✅陆上练习
深吸气 → 低头慢吐气 → 抬头快吸气
口诀：水下慢吐，水面快吸
✅水中憋气（扶池边）
扶池边，埋面匀速吐气，气尽抬头吸气，循序渐进
✅水平漂浮
双手前伸贴耳，吸足气轻蹬池底，放松趴平，身体贴水面；气用完屈膝站起
❌避坑
不能绷紧身体，越紧张越容易沉；不要硬撑憋气
也欢迎同行交流，指正
#蛙泳初学#小白学游泳#游泳#游泳教练

作者提示: 个人观点，仅供参考
广东,6小时前,
本文来自网友投稿或网络内容，如有侵犯您的权益请联系我们删除，联系邮箱：wyl860211@qq.com 。

增城区25-26学年上学期九年级数学期中试卷

基本 文件 流程 错误 SQL 调试
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  1. CONNECT:[ UseTime:0.000417s ] mysql:host=172.18.0.4;port=3306;dbname=www_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000597s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000417s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000386s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000648s ]
  6. SELECT * FROM `set` [ RunTime:0.000337s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000635s ]
  8. SELECT * FROM `article` WHERE `id` = 538123 LIMIT 1 [ RunTime:0.000368s ]
  9. UPDATE `article` SET `lasttime` = 1793894674 WHERE `id` = 538123 [ RunTime:0.001250s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 65 LIMIT 1 [ RunTime:0.000334s ]
  11. SELECT * FROM `article` WHERE `id` < 538123 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000438s ]
  12. SELECT * FROM `article` WHERE `id` > 538123 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000393s ]
  13. SELECT * FROM `article` WHERE `id` < 538123 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000529s ]
  14. SELECT * FROM `article` WHERE `id` < 538123 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000643s ]
  15. SELECT * FROM `article` WHERE `id` < 538123 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000636s ]
0.099917s