拍

He pats Tommy on the back to congratulate him.

他拍了拍汤米的后背，祝贺他。

J: What do you think it means when a biker pats the top of his or her helmet?

Y： 如果一个骑摩托车的人拍一拍头盔是什么意思。

He took me by the hand . I patted him on the back .

他抓住了我的手，我拍了拍他的背。

I patted him on his back, and told him what a brave boy he was.

我拍了拍他的肩膀，称赞他是个勇敢的孩子。

B: Her father patted her on the back.

她的父亲拍了拍她的背。

He smiled as he patted my hand and said,she doesn't know me,but I still know who she is.

他笑着拍了拍我的手说，她不认识我，但我一直认识她。

He patted me on the back.

他拍了拍我的背。

I put my nose into his hand and he patted me kindly,and then I left my first home.

我把鼻子放在他手里，他亲切地拍了拍我，然后我就离开了我的第一个家。

She patted a place next to her for me to sit down .

她用手拍了拍旁边的地方叫我坐下。

I felt someone patting on the shoulder.

我感到有人拍了拍我的肩膀。

Shop assistant: Please check at the door.

店员：请您到门口柜台交费。

In the end, transportation of PAHs in the environmental matrix was preliminarily investigated and discussed according to PAHs data of soils and sediments from a certain region in Shanghai. The result indicated that there are two or more pathways on PAHs transportation in the environmental matrix.

最后，对上海特定地区内PAHs在环境介质中的迁移径途进行了分析讨论，结果表明上海市土壤和沉积物等环境介质中PAHs的迁移存在多种途径。