adj.酸的；尖刻的
The large whip scorpion emits a vinegary odor when it's alarmed. 大型鞭尾蝎在受驚嚇時(shí)發(fā)出一種醋酸味。
He will be hostile and vinegary right after you point out that he is hypocritical in his presence. 如果你膽敢當(dāng)面說(shuō)他偽善，他就會(huì)立刻翻臉，露出不悅的神情。
