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1·Sure thing, Kelly said, uncrossing her arms.

“当然，”凯丽说，把交叉的手臂放开。

2·[Uncrossing legs] on the teaching front, well, we have come up trumps, vice-chancellor.

(腿放平)在教学这一块，我们有了新王牌，副校长。

3·The cause may be that there were uncrossing nerve fibers in the lateral spinothalamic tract.

分析其可能的原因是传导痛觉的脊髓丘脑侧束在上行过程中有不交叉纤维。

4·Both sit for a while, and shift, crossing and uncrossing legs, reading a book, writing in a notebook, or anything else one might do on a bench.

两人坐一会儿然后挪动，交叉不交叉腿，读一本书产，在笔记本上记笔记或者一个人坐在一张长凳上做可以做的任何其他的事。