| 单词 | 避雷针 |
| 释义 | 〔Franklin〕American public official, writer, scientist, and printer. After the success of hisPoor Richard's Almanac (1732-1757), he entered politics and played a major part in the American Revolution. Franklin negotiated French support for the colonists, signed the Treaty of Paris (1783), and helped draft the Constitution (1787-1789). His numerous scientific and practical innovations include the lightning rod, bifocal spectacles, and a stove. 富兰克林，本杰明：(1706-1790) 美国政府官员、作家、科学家和印刷业者。当他的作品《穷理查的历书》 成功之后（1732-1757年），他进入了政界并在美国革命中起了重要作用。富兰克林通过谈判说服法国支持殖民地、签署了巴黎和约（1783年）并帮助起草了宪法（1787-1789年）。他的众多的科学发明包括避雷针、双焦点的眼镜和暖炉 〔tantalum〕A very hard, heavy, gray metallic element that is exceptionally resistant to chemical attack below 150°C. It is used to make light-bulb filaments, electrolytic capacitors, lightning arresters, nuclear reactor parts, and some surgical instruments. Atomic number 73; atomic weight 180.948; melting point 2,996°C; boiling point 5,425°C; specific gravity 16.6; valence 2, 3, 4, 5. See table at element 钽：一种非常坚硬、密度很大的灰色金属元素，在摄氏150度以下能抗化学物质的强腐蚀。它被用来制造灯泡的灯芯、电解电容器、避雷针装置、核反应堆部件以及一些外科手术用的器具。原子序数为73；原子量为180,948；熔点为2,996°C；沸点为5,425°C；比重为16.6；化合价为2,3,4,5 参见 element〔yagi〕A directional radio and television antenna consisting of a horizontal conductor with several insulated dipoles parallel to and in the plane of the conductor.八木天线：一种定向的收音机或电视的天线，由与水平的避雷针平行的几个绝缘振子和绝缘平面组成〔conductor〕A lightning rod, as on a house or barn.避雷针，如房子或仓库上面的 |
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