英语语法分析

Green tea is also called unfermented tea.

绿茶又称不发酵茶。

Unlike black tea or oolong, green tea is made from unfermented tea leaves.

和红茶与乌龙茶不一样的是，绿茶是由没有发酵过的茶叶制成的。

If the enzyme activity is caused to stop at a very early stage of tea processing, then substantially unfermented or green tea is the result.

如果在茶叶加工的早期就使酶活性中止，得到的就是未发酵茶或绿茶。