00:00 / 00:00
播放/暂停
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播放时:倒退3秒/复读时长按:回退AB段
播放时:快进3秒/复读时长按:前进AB段
拖动:改变速度/点击:恢复正常速度1.0
点击:复读最近5秒/拖动:改变复读次数
设置A点
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取消复读并清除AB点
English in a Minute: Blow Off Steam

This expression comes from the days of steam engines. Our one minute video tells you all about what blowing off steam means.