tartness

例句：

1. 1.The wine has a distinctly tart taste.
   这葡萄酒有明显酸味。
2. 2. The dessert had an unusually tart flavor.
   这甜点味道异常酸。
3. 3. The tomatoes were incredibly tart when they were picked.
   当这些西红柿被采摘时，它们非常酸。