| 单词 | 灰白色 |
| 释义 | 〔gull〕Any of various chiefly coastal aquatic birds of the family Laridae, having long wings, webbed feet, a thick, slightly hooked beak, and usually gray and white plumage.海鸥：一种鸥科水鸟，主要生于海岸附近，生有长翼、蹼足、略呈弯勾状的长喙、羽毛通常为灰白色〔white〕Pale gray; silvery and lustrous:灰白色的；银色有光泽的：〔cineraria〕from Latin cinerārius [of ashes (from the ash-colored down on its leaves)] * see cinerarium 源自 拉丁语 cinerārius [灰烬的（其叶子上的灰白色绒毛）] * 参见 cinerarium〔miniver〕from Old French menu vair [small vair] 源自 古法语 menu vair [小的灰白色松鼠皮] 〔manganese〕A gray-white or silvery brittle metallic element, occurring in several allotropic forms, found worldwide, especially in the ores pyrolusite and rhodochrosite and in nodules on the ocean floor. It is alloyed with steel to increase strength, hardness, wear resistance, and other properties and with other metals to form highly ferromagnetic materials. Atomic number 25; atomic weight 54.9380; melting point 1,244°C; boiling point 1,962°C; specific gravity 7.21 to 7.44; valence 1, 2, 3, 4, 6, 7. See table at element 锰：一种呈灰白色或银白色的易脆金属，产生于几种同素异形体中，世界各地均有，尤其盛产于软锰矿、菱锰矿和海底的结核中。它与钢的合金可增加强力、硬度、抗腐蚀力以及其它特性；与其它金属可以合成高铁磁性的材料。原子序数为25；原子量54.9380；熔点1,224°C；沸点1,962°C；比重7.21至7.44；化合价为1,2,3,4,6,7 参见 element〔hoary〕hoary leaves.有灰白色茸毛的叶子〔cahow〕An earth-burrowing, nocturnal bird(Pterodroma cahow), once abundant in Bermuda but now nearly extinct, with a hooked black beak, brown and white plumage, and a gray underside. Also called Bermuda petrel 百慕大圆尾鹱：一种善掘洞的、夜间活动的鸟（百慕大圆尾鹱）， 曾一度在百慕大大量存在，而今已近于灭绝，有着钩一样的黑色的喙、棕色和白色的羽毛以及灰白色的下部 也作 Bermuda petrel〔chalk〕A soft, compact calcite, CaCO3, with varying amounts of silica, quartz, feldspar, or other mineral impurities, generally gray-white or yellow-white and derived chiefly from fossil seashells. 白垩：一种松软的方解石粉块，CaCO3，含有不等量的硅石、石英、长石或其它矿物杂质，通常为灰白色或黄白色，从贝类化石中制得 〔zirconium〕A lustrous, grayish-white, strong, ductile metallic element obtained primarily from zircon and used chiefly in ceramic and refractory compounds, as an alloying agent, and in nuclear reactors as a highly corrosion-resistant alloy. Atomic number 40; atomic weight 91.22; melting point 1,852°C; boiling point 3,578°C; specific gravity 6.56 (20°C); valence 2, 3, 4. See table at element 锆：一种有光泽的、坚固的、可伸展的灰白色金属元素，主要从锆石中提炼。作为合金剂在陶器制造和耐火化合物中大量使用，而在核反应器中用作一种高度抗腐蚀合金。原子序数40；原子量91.22；熔点1,852°C；沸点3,578°C；比重6.56（在20°C时）；化合价2,3,4 参见 element〔miniver〕vair [vair] * see vair vair [灰白色松鼠皮] * 参见 vair |
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