sour

US /saʊr/

UK /ˈsaʊə(r)/

B2 中高級英檢初級
v.i.不及物動詞使(關係)變得不愉快
Penny's relationship with Tim began to sour after that argument
adj.形容詞脾氣壞的;乖戾的
Tim was in a sour mood because he had no milk to drink
adj.形容詞發酵的
Tim could not drink the sour milk
v.t.及物動詞變酸;發酵
Penny decided to sour the milk to make pancakes with it
adj.形容詞酸的
Some fruits are very sweet, while others are very sour

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