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| 71. | We shall show in the next chapter how the speed at any point can be found from energy considerations. |
| 在下一章里，我们将说明如何从能量的考虑来求任意点的速率。 |
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| 72. | Today, bagels can be found anywhere, from supermarkets to coffee shops, around the world. |
| 如今在世界各地，从超级市场到咖啡店，面包圈随处可见。 |
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| -- 来源 -- 空中美语-生活篇-活出新意与自我 - Bagels: Still Making the Rounds |
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| 73. | his colleagues at Brigham Young University in Provo, Utah, have been collecting and analyzing hair from |
| 美国犹他州普罗沃市布里格姆 - 扬大学的化学家曼格尔森(Nolan F. Mangelson)和他的同事们在犹他湖鲍威尔休养区收集并分析了啮齿类动物的毛发。 |
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| 74. | Pharmaceuticals usually are chemicals synthesized from organic compounds found in naturally occurring |
| 药物通常是从天然物质诸如植物、细菌和真菌中的有机化合物合成的化学物质。 |
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| -- 来源 -- 英汉非文学 - 生命科学 - 生物技术制药疫苗 - jizhongshengwujis |
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| 75. | noble gases observed in space (like those measured in meteorites and cosmic dust) were clearly distinct from |
| 我们知道太空中惰性气体的同位素组成（像在陨石与彗尘中测量到的情形），与地球上的截然不同。 |
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| 76. | Iraqis are moving, not just documents and hard drives, but weapons of mass destruction to keep them from |
| 无数人力方面的消息告诉我们，伊拉克人不仅将文件和电脑硬盘转移走了，还把大规模杀伤性武器转移走了，以免被核查人员发现。 |
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| 77. | Magnetitite-bearing plugs are found erratically from the base of the Critical Zone. |
| 含磁铁岩的岩栓不规则地分布于关键带的基底以上。 |
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| 78. | international treaty concluded or acceded to by the People's Republic of China contains provisions different from |
| 中华人民共和国缔结或者参加的国际条约同本法有不同规定的,适用该国际条约的规定 |
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| 79. | larger of two tall fast-running flightless birds similar to ostriches but three-toed; found from Brazil |
| 两种奔跑快速但不会飞的鸟中的较大者，类似驼鸟但具有三趾；产于从巴西到巴塔哥尼亚的地区。 |
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| 80. | Communities can be found everywhere from neighborhoods to the largest organizations in the world. |
| 当今世界，从街坊邻里到大型组织，社区随处可见。 |
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