" Quick! Quick! Get back! Crawl! " panted Trumpkin.
“快！快！向后撤！趴到地上！”杜鲁普金喘着粗气说。
Back crawl
原声例句
凯斯宾王子
小故事大纪实之《试试看，你会喜欢的》
(animated piano music) - Back in the 18th century, London's River Thames was crawling with these eels.
（动画钢琴音乐）- 回到 18 世纪，伦敦的泰晤士河上爬满了这些鳗鱼。
中文百科
仰泳 Backstroke
（重定向自Back crawl）
仰泳，又名背泳，仰卧于水面的游泳姿势，是被国际泳联设定规则的泳姿。主要有“反爬泳”和“反蛙泳”，“反爬泳”因为速度快，几乎无一例外被运动员在比赛中使用。
仰泳时口鼻一直处于水面上，呼吸便利，但是无法前望，定向困难。在游泳比赛中，唯仰泳须要运动员在水里开始，其它泳式都容许跳水起步。因此，在个人混合泳中仰泳是第二种泳姿，而在接力混合泳中是第一种泳姿。
英语百科
Backstroke 仰泳
（重定向自Back crawl）
Backstroke is one of the four swimming styles regulated by FINA, and the only regulated style swum on the back. This has the advantage of easy breathing, but the disadvantage of swimmers not being able to see where they are going. It is also the only competition swimming style that has a different start. The swimming style is similar to an upside down front crawl. Both backstroke and front crawl are long-axis strokes. In Individual medley backstroke is the second style swum; in the team medley it is the first style swum.
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