该女子15个月大的女婴被一小块梨噎住了，脸都变紫了。
The woman's 15-month-old baby girl choked on a small piece of pear and her face turned purple.
其中一项研究观察了紫锥菊跟维生素c(另外一种抗感冒药)配伍的效果。该研究发现二者合用降低感冒发病率达86%。
One of the studies looked at echinacea used with vitamin c, another common cold remedy, and that one showed the two together reduced the number of colds by 86%.
并利用该工艺进行了单独处理粗铜、紫杂铜原料的探索，获得了实践经验。
Then it explores in treating crude copper and red impure copper material individually by the process, obtains the practice experience.
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