n. a cocktail made of a liquor (especially whiskey or gin) mixed with lemon or lime juice and sugar
n. the taste experience when vinegar or lemon juice is taken into the mouth
v. go sour or spoil
v. make sour or more sour
a. 酸的, 酸臭的, 发酵的, 愠怒的, 讨厌的, 拙劣的, 不健全的
vi. 变酸, 发酵, 厌烦, 变坏
vt. 使变酸, 使失望
n. 酸味, 酸饮料