| 单词 | 太阳能 |
| 释义 | 〔selenium〕A nonmetallic element, red in powder form, black in vitreous form, and metallic gray in crystalline form, resembling sulfur and obtained primarily as a byproduct of electrolytic copper refining. It is widely used in rectifiers, as a semiconductor, and in xerography. Its photovoltaic and photoconductive actions make it useful in photocells, photographic exposure meters, and solar cells. Atomic number 34; atomic weight 78.96; melting point (of gray selenium) 217°C; boiling point (gray) 684.9°C; specific gravity (gray) 4.79; (vitreous) 4.28; valence 2, 4, or 6. See table at element 硒：一种非金属元素，粉末状时呈红色，玻璃状时呈黑色，结晶状时呈金属般的灰色，与硫类似，通常作为副产品在电解法冶炼铜时获得。广泛地用于整流器（如半导体）和静电复印术中。其光电压的和光电导的效应使它可在光电池、照相曝光表和太阳能电池中发挥作用。原子序数34；原子量78.96；（灰色硒的）熔点217°C；沸点（灰色硒的）684.9°C；（灰色硒的）比重4.79；（玻璃状的硒）比重4.28；化合价2,4或6 参见 element〔collector〕a solar energy collector; a dust collector.太阳能集电器；集尘器〔solar〕a solar heating system.太阳能加热系统〔model〕a test model of a solar-powered vehicle.太阳能汽车的测试型〔passive〕Of, relating to, or being a solar heating or cooling system that uses no external mechanical power.与太阳能冷暖器有关的：与不消耗外部机械能的太阳能加热或冷却系统有关的或以此种形式存在的〔renewable〕Designating a commodity or resource, such as solar energy or firewood, that is inexhaustible or replaceable by new growth.能再生的：用来标明某一货物或资源（如太阳能或木柴）用不尽的或通过再生长可更新的〔solar〕Using or operated by energy derived from the sun:利用太阳能的：使用或由从太阳中得来的能量驱动的： |
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