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- An alloy of two or more metallic elements. 合金两种或多种金属所合成的金属
- Titanium is a metallic element found in the earth's crust. 钛是在地壳中发现的金属元素。
- Polonium is a naturally radioactive metallic element. 钋是一种具有天然辐射性的金属元素。
- Niobium is the metallic element with the highest transition temperature. 铌是转变温度最高的金属元素。
- Yes. iron is one of the metal element find in the earth. 知道。铁是地球上的金属元素之一。
- There are about seventy metallic elements. 金属元素有七十种左右。
- Gold: a malleable ductile yellow metallic element that occurs chiefly free or in a few minerals. 金子:可煅造可延展的黄色金属元素,通常主要以游离态或在少数几种物质中出现。
- A trivalent metallic element of the rare earth group, it could occurs with yttrium. 稀土属三价金属元素，可以与钇共生。
- It is unlikely that they will deplete the soil of iron, as iron is the most abundant metallic element in it. 至于说这种稻株会耗尽土壤中的铁更是不可能的，因为铁是地球上最丰富的金属元素。
- Many of the bones found near the pots at a few sites showed high levels of the metallic element. 在一些遗迹的壶附近发现的很多骨头都显示出这种金属元素的高含量。
- A gray tetravalent metallic element that resembles zirconium chemically and is found in zirconium minerals; used in filaments for its ready emission of electrons. 一种灰色的四价金属元素，化学性质与锆相似，发现于锆矿物中，因能迅速释放电子而用作灯丝。
- A soft, ductile, steel-white, tarnish-resistant, metallic element occurring naturally with platinum, especially in gold, nickel, and copper ores. 钯一种柔软的，易拉长的，银白色的，保持光泽的金属性元素，常与铂共生，尤其在金、镍和铜矿中存在。
- Chromium is a lustrous, hard, steel-gray metallic element, resistant to tarnish and corrosion and found primarily in chromite. 1据查，铬是“一种有光泽的、蓝灰色的坚硬金属元素。不失光泽，抗腐蚀，最早在铬铁矿中发现。
- A heavy precious metallic element,gray-white and resistant to corroding,occurs in some nickel and copper ores and is also found native in some deposits. 一种珍贵的重金属元素，灰白色，抗腐蚀，存在于一些镍、铜矿中，也天然产于一些沉积物中。
- Yes. Iron is one of the metal elements found in the Earth. 知道。铁是地球上的金属元素之一。
- A lustrous gray strong metallic element resembling titanium,it is used in nuclear reactors as a neutron absorber; it occurs in baddeleyite but is obtained chiefly from zircon. 一种有光泽、灰白色、坚固的金属元素，类似钛，在核反应堆中用作中子吸收剂，见于斜锆石中。
- A rare silvery (usually trivalent) metallic element,brittle at low temperatures but liquid above room temperature,occurs in trace amounts in bauxite and zinc ores. 一种稀有的银色金属元素（通常为三价），低温下易碎，室温以上呈液体状，量少，矾土和锌矿石中含有。
- A white metallic element that burns with a brilliant light,the fifth most abundant element in the earth's crust; an important component of most plants and animals. 一种白色的金属元素，燃烧时放出亮光，地壳中含量居第五位的元素，大部分动物植物的重要组成部分。
- A soft silvery metallic element of the rare earth group; isotope 170 emits X-rays and is used in small portable X-ray machines; it occurs in monazite and apatite and xenotime. 稀土族的一种软质、银色的金属元素，同位素能发出X光射线用于小型便携式X光照射仪，存在于独居石和磷钇矿。
- Symbol As A highly poisonous metallic element having three allotropic forms, yellow, black, and gray, of which the brittle, crystalline gray is the most common. See table at element 符号 As 砷：一种有剧毒的金属元素，有黄、黑、灰三种同素异形体，其中质脆，结晶体的灰色形体最为常见。
