sour·ness
noun/ˈsaʊənəs/
/ˈsaʊərnəs/
[uncountable]- a taste like that of a lemon or of fruit that is not ready to eat
酸的；有酸味的 - the sourness of the fruit
水果的酸味
- the sourness of the fruit
- an unpleasant taste or smell, especially of milk, because it is not fresh
酸腐的；馊的 - He sniffed the milk for a hint of sourness.
他闻了闻牛奶，寻找一丝酸味。
- He sniffed the milk for a hint of sourness.
- the fact of not being cheerful; the fact of being unfriendly and unpleasant
酸味：不开朗的事实；不友好和不愉快 - his increasing sourness
他的酸味越来越浓
- his increasing sourness