公爵的脚有趣而飞快地移动着，他做了一个腾空步，深深地鞠了一躬。

The Duke does a funny flitter of his feet, a hitch-kick, and a deep bow.

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而且因为要飞快地连续拍两次照，被拍对象不能大幅移动。

And, since you need to take two photographs in quick succession, your subject can't move around much.

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沿着一个表面迅速地移动，通常带有频繁的轻轻接触或方向的改变；飞快地跳跃或滑过。

To move rapidly along a surface, usually with frequent light contacts or changes of direction; skip or glide quickly.

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