1.If you leave milk in the sun, it goes sour quickly.

1.如果把牛奶放在阳光下，它会很快变酸。

2.The milk has turned sour .

2.这牛奶发酸了。

3.Thomas made a little grimace, perhaps he thought the wine was sour.

3.托马斯微微皱起眉头可能是他认为酒发酸了。

4.Milk clots when it turns sour.

4.奶变酸就凝块。

5.She really looks sour this morning.

5.她今天上午脾气确有些坏。

6.Green apples are sour.

6.未熟苹果是酸。

7.Lemons have a sour taste.

7.柠檬有股酸味。

8.Sour, sweet, bitter, spiciness and fishiness numb our taste bud so that we cannot taste the light sweet.

8.酸、、苦、辣、腥等麻口味、舌蕾，再品尝不出清淡。

9.Spoon sour cream into resalable plastic food bag. Snip off corner. Pipe sour cream in 4 concentric circles onto guacamole.

9.用勺子把酸奶酪放入可封口塑料袋中。剪去一角。在生菜上涂四个同心圆。

10.The cucumbers which did not return g reen in the experiment were made into sauced or sour and sweet cucumber.

10.并把不能复绿原料加工成酱黄瓜和糖醋黄瓜。

11.But bets against the dollar could sour fast. One risk is that the economic recovery could outdistance almost everyone's expectations.

11.不过，看跌美元可能很快就行不通了。一个风险是，经济复苏可能会超过几乎所有人预期。

12.His disapproving attitude toward cars is simply sour grapes; the fact is that he would like to have a car but can't afford to buy one.

12.他对汽车持不赞成态度纯粹是酸葡萄逻辑; 事实上他想有一部汽车, 只是买不起罢了。

13.The usaul contaminate in beer are bacterium,fungus and wild yeast, most of them are anaerobion causing the muddy, flavor chaging and turning sour, Beer anaerobic culture medium should be found out.

13.啤酒中污染常见菌有细菌、霉菌、野生酵母菌,但主要存在危害性较大菌是细菌中大部分厌氧菌,会使啤酒产生浑浊、变味、变酸等。