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- The milk has skinned over. 牛奶结皮了。
- The milk has curdled and become sour. 牛奶凝结变酸了。
- The dough has skinned over now; we can't use it. 面团都结了一层硬皮，没法用了。
- The milk has gone off because of the hot weather. 牛奶因天热而变质了。
- The milk has been watered (down). 牛奶已掺水了。
- The milk has nearly come to the boil. 牛奶快煮开了。
- The milk has soured in warm weather. 牛奶在暖和的天气里发酸了。
- The milk has already become undrinkable. 牛奶已经不能喝了。
- The milk has been adulterated with water. 这牛奶里掺了水。
- The milk has cooled down a little. 牛奶已经凉了一点。
- Tim didn't put the lid on the paint tin,and the paint has skinned over; we can't use it now. 汤姆没有把油漆罐的盖子盖上，油漆已结皮不能用了。
- The milk has curdled, ie become sour. 牛奶凝结了（变酸了）.
- All / Half ( of ) the milk had been drunk. 所有的[有一半]奶已喝完.
- The milk has been watered down . 这牛奶已搀过水了。
- The hot weather has soured the milk. 炎热的天气使牛奶变酸了。
- The lake has skinned over. 湖面已结薄冰了。
- The milk had boiled over. 牛奶已沸腾得溢出来。
- The wound has skinned over. 伤口已愈合。
- The milk slopped over the rim of the glass. 牛奶溢到玻璃杯外面来了。
- The milk in the pot boiled up and spilled over. 锅里的牛奶煮沸溢了出来。
