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So the F.D.A. proposes that sheep clones not be used for human food. 然而对克隆样的研究还不是很充分，因此食品药物部门建议人类不要食用克隆绵羊。
More and more, human food procurement came to have a dominant effect on their evolution. 人类获取食物愈来愈显著地影响到人类的进化。
The dietary fiber is a indispensable composition in human food and it possesses some important physiological functions. 膳食纤维是人类食物中不可缺少的组成部分,具有多种重要的生理功能。
But research on cloned sheep is limited.So the F.D.A. proposes that sheep clones not be used for human food. 然而对克隆样的研究还不是很充分，因此食品药物部门建议人类不要食用克隆绵羊。
And they warned that the emergence of Ebola in the human food chain is “of serious concern. 他们警告说，埃博拉病毒的出现，在人类的食物链是“严重关切的问题。”
Experts believe that melamine as pesticides, fertilizers and containers entering the human food chain, but it should be "very low. 专家认为，三聚氰胺会随着农药、肥料和容器，进入人类食物链，但应该是“极微量”。
Sunshine of traditional agriculture aether is direct energy resources, use greenery to produce feed of human food, animal through photosynthesis. 传统农业以太阳光为直接能源，利用绿色植物通过光合作用生产人类食物、动物饲料。
It is more than probable that among these tribes the cultivation of grain originated from the need for cattle fodder and only later became important as a human food supply. 十分可能，谷物的种植在这里起初是由牲畜饲料的需要所引起的，只是到了后来，才成为人类食物的重要来源。
The quick developments in modern biotechnology offer a novel approach to resolve many important problems about human food in nutrition,health and safety. 现代生物技术的飞速发展为解决人类的食品与营养、健康、安全等重大问题开辟了一条崭新途径。
The quantity of human food which the earth is capable of returning even to the most wretched system of agriculture, so much exceeds what could be obtained in the purely pastoral state, that a great increase of population is invariably the result. 即令在最糟糕的农业制度下，土地所能提供的食物也远比在单纯放牧状况下要多得多，结果是人口大量增加。
The quantity of human food which the earth is capable of returning even to the most wretched system of agriculture,so much exceeds what could be obtained in the purely pastoral state,that a great increase of population is invariably the result. 即令在最糟糕的农业制度下，土地所能提供的食物也远比在单纯放牧状况下要多得多，结果是人口大量增加。
It's only human nature to want a comfortable life. 想过舒适的生活不过是普通人的本性。
If biology were the basis for the selection of human foods,diets around the world would be quite similar. 如果生物学是人类选择食物的基础，世界各地的食谱则会大体相同。
Bread is one of the most ancient of human foods, and the use of yeasts to leaven bread is carefully depicted in paintings from ancient Egypt. 面包是最古老的人类食品之一,早在古埃及时代,就有利用酵母发酵面包的详细的描述。
If biology were the basis for the selection of human foods, diets around the world would be quite similar. 如果生物学是人类选择食物的基础，世界各地的食谱则会大体相同。
With enough energetic imbalances in the crops, viruses and pests will enter the dance causing humanities food source to dwindle to next to nothing. 伴随着农作物中众多能量的失衡，病毒和害虫将进入引起人类未来食物源短缺以至一无所有的舞蹈中。
Cheese is one of the oldest human foods and is thought to have been developed approximately 8000 years ago. 干酪是一种最古老的人类食品之一,而且大概已经有8000年的发展历史了。
Speeches distinguish human beings from animals. 人类和动物的区别在于人会说话。
The war took a heavy toll of human life. 这次战争夺去了许多人的生命。
dead and rotting flesh; unfit for human food. 死的和腐烂的肉；不适合人吃。