吴昌俊希望能用编手链的水平来打动孩子们，于是他抓起一些橡皮筋，努力想把它们编织成图案。

Hoping to impress his kids with his bracelet-weaving skills, he grabbed a few tiny elastic bands and tried tomesh them into a pattern.

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高婵，李伟东，李俊松，丁霞，蔡宝昌【摘要】 目的考察自然铜炮制前后微量元素的含量变化，以探讨自然铜炮制机理。

Objective To investigate the changes of microelement in curde and calcined pyritum, and approach the process mechanism of pyritum.

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