单一的“门窗”是无法再这样的高速下完成开启——闭合这一整套动作的。

A single "door" shutter wouldn't be able to open and close this fast.

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对速滑动作的详细技术分析是提高速滑成绩的重要手段。

We took the skating movement research by using video performance analysis.

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然后，维持这个动作，提高速度！

Then concentrate on holding your form while increasing your speed.

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然后，维持这个动作，提高速度！

Then concentrate on holding your form while increasing your speed.

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