| 1. | Thundery weather often turns milk sour .
打雷的天气常常使牛奶变酸。 |
| 2. | The thundery weather has turned the milk .
雷雨欲来的天气使牛奶变酸了。 |
| 3. | The milk has turned sour .
牛奶变酸了。 |
| 4. | This milk has gone sour ; it has a sour taste
这牛奶已经变酸了，有股酸臭味。 |
| 5. | If you leave milk in the sun , it goes sour quickly
如果把牛奶放在阳光下，它会很快变酸。 |
| 6. | To keep milk from turning sour , keep it in the cow
要使牛奶不变酸,最好是把牛奶储存在母牛身上 |
| 7. | Water from the sky is becoming acidic acid rain
大气降水在变酸 |
| 8. | The hot weather has soured the milk
炎热的天气使牛奶变酸了。 |
| 9. | The milk turned sour in the heat
牛奶在高温下变酸了。 |
| 10. | The milk has curdled and become sour
牛奶凝结变酸了。 |
