In the last class, we started talking about useful plant fibers.

上节课，我们开始讨论有用的植物纤维。

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Both people and animals use it as food. It is a very useful plant.

人和动物都能把它作为食物，它是很有用的植物。

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Corn is a useful plant that can be eaten by both people and animals.

玉米是一种有用的作物，人、畜均可以食用。

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So, a natural product is something that is made by nature, and often natural products, whether it comes from a plant or a marine organism have some really good, useful properties. And so, one particular compound has anti-tumor properties. So, again, along this line of cancer research.

天然产物是在自然界中生成的,通常一个天然产物，不管是来自植物或者海洋生物,都有些非常好非常实用的性质，其中的一个特殊的化合物,可以治疗癌症,再一次我们又来到癌症研究上。

麻省理工公开课 - 化学原理课程节选

The credit goes to the Federal Bureau of Narcotics, which in 1937 pushed through laws ending the growth, trade and consumption of all forms of cannabis, including the inert but commercially useful hemp plant.

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Setting aside the arguments around pharmaceutical benefits that THC-laden hemp plants might provide, is it not silly that the government would ban an otherwise useful and taxable plant?

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The studies did not, and were never intended to, reflect reality or serve as a basis for emergency planning the SNL studies provided a useful measure to compare sites, not to analyze plant-specific accident consequences.

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