1.
base metals drifted lower in reaction to stronger sterling.
非贵金属价格因英镑上涨而下跌。
2.
a bivalent and trivalent metallic element of the rare earth group.
稀土属二价和三价金属元素。
3.
Iron is a cheap metal.
铁是一种廉价的金属。
4.
any of the bivalent metals (calcium or strontium or barium or magnesium).
任何二价金属（钙、锶、钡、镁）。
5.
a trivalent metallic element of the rare earth group; occurs with yttrium.
稀土属三价金属元素，与钇共生。
6.
Of or relating to gold, especially with valence1.
金的属于或与金有关的，尤指一价的
7.
the intrinsic(al)value of a coin
钱币的实际价值(指其所含金属的价值)
8.
Metals usually have fewer than four valence electrons, as opposed to nonmetals, which generally have four to seven.
金属一般含有少于4个价电子，而非金属一般有4到7个价电子。
9.
a heavy silvery toxic univalent and bivalent metallic element; the only metal that is liquid at ordinary temperatures.
银色有毒金属元素，重，单价或二价，唯一一种在常温下呈液态的金属。
10.
Of, relating to, derived from, or containing gold, especially with valence3.
金的属于、关于金的，由金得来的或含金的，尤指金的三价化合物
11.
a trivalent metallic element of the rare earth group; forms compounds that are highly magnetic.
稀土属三价金属元素，形成磁性特强的化合物。
12.
a trivalent metallic element of the rare earth group; usually occurs in association with yttrium.
一种稀土属的三价金属元素，通常与钇共生。
13.
Chemical bond mainly includes electrovalent bonds, covalent bonds, and metalic bonds.
化学键主要有离子键、共价键、金属键。
14.
recovery of valuable metals in copper extractive metallurgy
铜冶炼过程有价金属的回收
15.
lower in value by increasing the base-metal content; of metals.
通过增加基本金属来降低价值。
16.
The valence atom of an alkali-metal atom has two states.
碱金属原子的价原子具有两种能态。
17.
a metal-bearing mineral valuable enough to be mined.
含有开采价值的金属的矿物。
18.
Hardness is caused by divalent metallic cations.
硬度是由一些两价金属阳离子引起的。