One of the key elements to improving your backstroke start is to stay relaxed from the moment you set your feet and hands on the block until the moment you hear the buzzer go off.
一个关键是改善出发：在听到出发的哨声之前，要注意保持放松状态，即便是你的手和脚已经搭到起跳处。
One of the key elements to improving your backstroke start is to stay relaxed from the moment you set your feet and hands on the block until the moment you hear the buzzer go off.
一个关键是改善出发：在听到出发的哨声之前，要注意保持放松状态，即便是你的手和脚已经搭到起跳处。
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