| 单词 | 呈红色 |
| 释义 | 〔alexandrite〕A greenish chrysoberyl that appears red in artificial light, used as a gemstone.变石，紫翠玉：一种淡绿色的金绿宝石，在人工灯光下呈红色，用作宝石〔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〔ablaze〕a maple tree ablaze in autumn.枫叶树在秋天呈红色〔Baldwin〕An American variety of apple with red or yellow and red skin.鲍德温苹果：一种美国苹果，果皮呈红色或红黄色〔ladybug〕Any of numerous small, rounded, usually brightly colored beetles of the family Coccinellidae, often reddish with black spots and feeding primarily on insect pests, such as scale insects and aphids. Also called lady beetle ,ladybird 瓢虫：任一种小而圆的通常具有鲜艳色彩的瓢虫科的甲虫，体常呈红色并带有黑色斑点，主要以介壳虫和蚜虫等害虫为食 也作 lady beetle,ladybird〔radicchio〕Any of several prized varieties of chicory, having red or red-spotted leaves that form globose or elongated heads.菊苣：一种稀有的菊苣菜变种，叶有红点或叶呈红色，叶成球形或长形的头状〔rosacea〕A chronic dermatitis of the face, especially of the nose and cheeks, characterized by a red or rosy coloration, caused by dilation of capillaries, and the appearance of acnelike pimples. Also called acne rosacea 红斑痤疮，酒糟鼻：脸部，尤其是鼻子和两颊上的一种毛细血管扩张引起皮肤呈红色或玫瑰色并有类似粉刺的丘疹产生的慢性皮炎 也作 acne rosacea〔tomato〕A widely cultivated South American plant(Lycopersicon esculentum) having edible, fleshy, usually red fruit. 蕃茄，西红柿：一种广泛种植的南美植物（番茄 番茄属） ，果实通常呈红色，可食多肉 〔camellia〕Any of several evergreen shrubs or small trees of the genusCamellia native to eastern Asia, especially C. japonica, having shiny leaves and showy roselike flowers that are usually red, white, or pink. 山茶：一种山茶 属的生长于亚洲东部的常绿灌木或小树，尤其是 山茶树， 长有闪光的叶子以及艳丽的常呈红色、白色或品红色的玫瑰般花朵 〔flush〕To glow, especially with a reddish color:呈红色：尤指带有微红的发亮：〔bloodworm〕The freshwater larvae of certain midges that are red as a result of the high hemoglobin content of their blood.血蚁：某些蚊子的水生幼虫，因其血液中血色素较高而使身体呈红色 |
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