英语语法分析

Tannins give tea astringency, colour, and some flavour.

单宁有茶的涩味、颜色和香味。

The endosperm of the nut owes its marked degree of astringency.

坚果的胚乳由于存在丹宁，所以有显著的涩味。

This method has some advantages, such as optimizing, astringency.

该方式具有优化、收敛性快等优点。