Nancy: Usually, people choose the Australian crawl, which is the fastest. 通常人们会选择澳大利亚爬泳,因为它是最快的。
Crawl: A stroke made in the prone position characterized by alternate over arm movements and a continuous up-and-down kick; originally known as the Australian crawl. 即采用俯卧姿势,以双臂连续轮流划水、双腿上下连续打水为特点,最初通称为澳大利亚爬泳。
The usual stroke used is the Australian Crawl. 通常采用的泳姿是澳大利亚爬泳。