海豚腿腿包括躯干，腿和脚的动作。

Kicking involves the torso as well as the legs and feet.

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研究团队曾期望手部和脚的动作能起到一些作用。

The team expected to see a lot of action in the hands and feet.

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正如我们所学过的，古典芭蕾以形式化的动作和手臂、脚于身体的特定位置为基础。

As we have been studying, the classical ballet is based on formalized movements, specific positioning of the arms, feet and the body.

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