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1·Then, the characteristic components of purple tealeaf were studied.

论文进一步研究茶树紫色芽叶内含成分的特征。

2·The content of lead in the tealeaf is one of important guild line scaling the status of the tealeafs sanitation by it.

茶叶中铅的含量是衡量茶叶卫生状况的重要指标之一。

3·The qualities of 10 microelements were determined in tealeaf, tea plant leaf of Jade Emperors sword and soil in Wushan Gucheng.

采用原子吸收方法对谷城五山镇的玉皇剑茶叶，茶树叶以及生长的土壤中的10种微量元素进行了测定。

4·Results showed that Mn contents and the ratio of copper to zinc in tealeaf were respectively positive correlation with its growth soil.

结果表明，茶叶中锰含量、铜锌比与土壤中对应的锰含量、铜锌比存在着一定的相关性。

5·Chinese people like to drink tea, and often entertain friends and guests with it. The tealeaf is a necessity in the life of Chinese people.

中国人喜欢喝茶，也常常用茶来招待朋友和客人。茶叶是中国人生活中的必需品。