metals

Metals expand when they are heated.

金属受了热就会膨胀.

How do acids react on metals?

酸对金属会起什么样的化学反应?

Strong acids attack metals.

强酸性物质腐蚀金属.

Metals are eroded by acids.

金属易为酸所腐蚀.

Acids eat into metals.

酸会腐蚀金属.

Medieval alchemists attempted to transmute base metals into gold.

中世纪的炼丹术士企图把贱金属炼成金.

Sugar, oil and metals are refined before use.

糖, 油和金属在使用前须先提炼.

Tungsten is classified among the metals.

钨归入金属类.

Certain metals are attracted to a magnet.

某些金属受磁石的吸引.

Lead was one of the metals known to the ancient world.

铅是早在古代就已知的金属之一。

Gold and silver are tractable metals.

金和银是容易加工的金属.

Metals will melt when heated to a certain temperature.

金属加热到一定的温度都会熔化.

Lead is one of the softer metals.

铅是硬度较低的金属之一.

What spurred them on was alchemy, the'science " of changing ordinary metals into gold.

激励他们的是炼金术, 即把普通金属变为金子的 “ 科学 ”.