bread sourness 面包发酸
sourness agent 酸味剂
sourness s 酸味
Main sourness product 主要酸味剂
with the wispy sourness 会想起可有可无的酸味
以上来源于: WordNet
But a bigger factor in the change of strategy may be the sourness left by the referendum.
自民党改变策略的一个重要原因，是对公投结果心存芥蒂。
Such protestations were lost to the sourness of the national mood.
这种辩解在国民的不满情绪面前全然无用。
He gave his twisted smile, though this time with a touch of sourness.
他又露出那种歪嘴的笑容，不过这次带上了一丝酸楚。
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