酸味

níng méng shì yī zhǒng suān wèi de shuǐ guǒ

柠檬是一种酸味的水果。

A lemon is an acid fruit.

kě zhōng hé shuǐ guǒ suān wèi de táng

可中和水果酸味的糖

sugar to balance the acidity of the fruit