问题描述：
帮忙分析一下这句句子的结构
The ice-cream lady walked slowly up the aisle,her head turning this way and that in search of last-minute customers.这句句子的that in search of这里开始帮忙分析一下,
The ice-cream lady walked slowly up the aisle,her head turning this way and that in search of last-minute customers.这句句子的that in search of这里开始帮忙分析一下,
问题解答：
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