Objective: To study the technology of extracting tea saponin from the pressed tea seed.
目的：研究茶油枯中茶皂素的分离、提取工艺。
OK, the tea in China can be divided into six main categories. They are green tea, black tea, oolong tea, white tea, scented tea and tightly pressed tea lumps.
中国的茶叶可以分成六类，包括绿茶、红茶、乌龙茶、白茶、花茶和茶砖。
Wendy said tea first quickly, and Michael pressed her hand in gratitude, but the braver John hesitated.
温迪很快地说了声“先喝茶”，迈克尔感激地捏了捏她的手，但勇敢的约翰犹豫了。
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