the taste experience when vinegar or lemon juice is taken into the mouth
the property of being acidic
a sullen moody resentful disposition
例句
用作名词 (n.)
A rice wine would reduce sourness if vinegar is added too much in cooking. 做菜时，如果醋放多了，加一点米酒就会调轻酸味。
Sourness is just another word for acidity, Suslick said, which any high school chemistry student can test for using litmus paper. 萨司利克说，酸味只是酸度的另一种表述方式，任何一间中学的化学学生都可以用石蕊试纸进行它的测量。
Yes, too long and intense an acquaintance can lead to sourness. 的确，如此过久而认真的相知可导致坏心眼。
美
