英语语法分析

Tannometers: Used to determine the tannic acid concentration of tanning solution.

制革计：测定制革溶液单宁酸的浓度之用。

Bitter flavours in food increase the perception of bitter, tannic elements in wine.

食物中的苦会增加对葡萄酒中苦(单宁元素)的感知。

Tannic: Tasting term used to describe the quality and intensity of tannin in red wines.

单宁的：品尝术语，用来描述红葡萄酒中单宁的质量和强度。