Why would the acceleration of the pig be constant ?

绿猪的加速度为什么应该是恒定的？

The pig , although tiny , had a good appetite and caught on quickly .

这只小猪虽然很小，胃口却很好，学得也快。

Some sectors , notably dairy and pig farming , continue to struggle .

有些行业，特别是乳制品和生猪蓄养行业，还在不断挣扎着。

China 's pig prices are susceptible to a boom-and-bust cycle that has seen prices fluctuate wildly in recent years .

中国的猪肉价格容易受到盛衰周期的影响，近几年来，价格出现了剧烈的波动。

Then gingerbread man met a pig .

然后，姜饼人遇到了一头猪。