警示寓言说稻草是最糟糕的建筑材料，特别是当你是一只被饿狼环饲的猪的时候。

There is also the cautionary tale that straw is the worst material from which to build a house, particularly if you are a pig with a hungry Wolf around.

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二恶英据信是通过德国哈勒斯和延奇公司加工过的脂肪而进入食品供应系统的；这些脂肪是用来增强家禽和猪饲蛋白含量。

The dioxin is believed to have gotten into the food supply through fats processed by a German company, Harles and Jentzsch, which were used to enrich feed for poultry and swine.

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木聚糖酶是饲用复合酶制剂的主要酶系之一，本实验对某木聚糖酶在体外模拟猪胃条件下酶活力的稳定性进行了研究。

In this experiment, one kind of xylanase from a company was used for the research of the activity of enzyme stability in the simulation pig stomach environment in vitro.

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