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他沿着墙半步半步地走：先是一脚向前，然后另一只脚拖向前面这只脚。
He walks along a wall leading with one foot and drawing the other foot forward to meet it.
youdao
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他沿着墙半步半步地走：先是一脚向前，然后另一只脚拖向前面这只脚。
He walks along a wall leading with one foot and drawing the other foot forward to meet it.
youdao