The jar showed signs of corrosion and seemed to have once contained a mild acid, such as vinegar or wine.
这个陶罐有腐蚀的痕迹，并且疑似曾经盛放过弱酸类液体，如醋或酒。
Volatile acidity (VA) General term for the substances in wine that are formed by the oxidation of alcohol (mainly acetic acid and ethyl acetate).
由于酒精氧化而形成于葡萄酒中的物质的总括（主要是醋酸和乙酸乙酯）。
White wine made from grapes grown in a cool climate is often paler, with a higher amount of acid.
使用在凉爽气候中生长的葡萄酿制的白葡萄酒通常要暗淡一点，而且更酸。
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