the sourness of [noun]
The sourness of the lemon made her pucker.
柠檬的酸味让她皱起了眉头。
酸味；酸性
sournesses — plural of sourness
酸的状态或特性；性情乖僻；坏心眼
the quality or taste of being sour; acidity
酸的状态或特性
The condition or quality of being sour.
The sourness of the lemon made me pucker.
柠檬的酸味让我皱起了脸。
用法提示：sourness 是不可数名词，表示“酸味”，在句中作主语。
Try adding a little sugar to balance the sourness.
试着加一点糖来平衡酸味。
用法提示：sourness 作动词 balance 的宾语，指酸味。
The sourness in this soup is too strong for me.
这汤的酸味对我来说太浓了。
用法提示：sourness 指汤里的酸味，在句中作主语。
The sourness of the lemon made her pucker.
柠檬的酸味让她皱起了眉头。
sourness 通常不可数，但带形容词修饰时可用不定冠词。
He could detect a faint sourness in the wine.
他能察觉到酒中微弱的酸味。
The wine had a pleasant sourness.
这酒有一种宜人的酸味。
grammar · medium
易错句子The sour of the lemon is too intense.
正确表达The sourness of the lemon is too intense.
“sour”是形容词，不可直接用作名词；加后缀 -ness 构成名词“sourness”才表示“酸味”。
grammar · medium
易错句子I dislike the sourness from this yogurt.
正确表达I dislike the sourness of this yogurt.
表示“...的酸味”用介词 of 而非 from，此处为介词搭配错误。
sour为形容词，表示酸的味道或脾气坏的；sourness为名词，表示酸味或乖僻的性质。
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