1.
Electrochemical Behavior of SO_2 Corrosion of Silver Electrode in Air Environment
大气中SO_2对金属银的电化学腐蚀行为
2.
the precious metals, ie gold,silver and platinum
贵金属（金、银、白金）
3.
Tin,iron, silver and gold are metals.
锡、铁、银和金都是金属。
4.
precious metals
珍贵金属(如金、银、铂)
5.
metal silvered to make ornaments
用做饰物的镀银金属
6.
inferior metal mixed with one of greater value,esp gold or silver
（与一种贵金属,尤指金或银熔合的）贱金属.
7.
To plate metal is to cover it with a thin layer of gold, or silver.
镀金属就是以薄薄的一层金、银等覆盖在金属上。
8.
An alloy of gold or silver with a greater proportion of another metal, such as copper, used in making coins.
金银合金金或银与大部分其他金属，如铜的合金，用于铸币
9.
"billon:an alloy of gold or silver with a greater proportion of another metal, such as copper, used in making coins."
金银合金:金或银与大部分其他金属,如铜的合金,用于铸币。
10.
disc (semi-manufactures), of base metal or silver clad with gold
圆盘（半成品）,贱金属或银制黄金包层
11.
bracelet watch of base metal [whether or not gold-or silver-plated]
贱金属制的表镯[不论是否镀金或镀银]
12.
Any of various alloys of mercury with other metals, as with tin or silver.
汞齐,汞合金各种汞和其它金属,如锡或银的合金
13.
a soft silvery metallic element of the alkali earth group; found in barite.
一种软质银色的金属元素，属碱土金属，见于重晶石中。
14.
tableware made of silver, silver_plate, pewter, stainless_steel.
餐具，银的，镀银金属的，白蜡的或不锈钢的。
15.
General geological feature of Yindongzi polymetallic Ag deposit in Zhashui
陕西柞水银硐子银多金属矿床基本地质特征
16.
Silver alloys--Determination of silver content
GB/T15072.2-1994贵金属及其合金化学分析方法银合金中银量的测定
17.
A few metals such as copper and silver are called good conductors.
有些金属，例如铜和银，都称为良导体。
18.
Quicksilver,though a metal, is a liquid.
水银虽是金属，但它是一种液体。