a. 酸的,抑沈的,不毛的
v. 變酸,變乖戾
例句與用法:
1. The old man has been soured by poverty.
那老人因貧困而變得乖戾了。
2. The hot weather has soured the milk.
炎熱的天氣使牛奶變酸了。
3. Most green fruits are sour.
大多數未熟的水果都是酸的。
4. What a sour face she has!
她的臉色多難看！
5. His original enthusiasm has turned sour.
他當初的積極性已淡下去了.
6. The hot weather soured the milk.
天熱牛奶酸了.
7. Their relationship soon went sour.
他們的關系不久就變壞了.
8. The milk's turned sour.
牛奶變酸了.