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。
柯林斯例句
Metals expand when they are heated.
金属受热会膨胀。
《牛津高阶英汉双解词典》
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 ”.
《简明英汉词典》
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.
《简明英汉词典》
Metals will melt when heated to a certain temperature.
金属加热到一定的温度都会熔化.
《现代汉英综合大词典》
Certain metals are attracted to a magnet.
某些金属受磁石的吸引.
《简明英汉词典》
How do acids react on metals?
酸对金属会起什么样的化学反应?
《简明英汉词典》
Strong acids attack metals.
强酸性物质腐蚀金属.
《简明英汉词典》
Metals expand when they are heated.
金属受了热就会膨胀.
《现代汉英综合大词典》
Tungsten is classified among the metals.
钨归入金属类.
《现代汉英综合大词典》
Lead is one of the softer metals.
铅是硬度较低的金属之一.
《现代汉英综合大词典》
Gold and silver are tractable metals.
金和银是容易加工的金属.
《现代英汉综合大词典》
Metals are eroded by acids.
金属易为酸所腐蚀.
《现代英汉综合大词典》
Acids eat into metals.
酸会腐蚀金属.
《现代英汉综合大词典》
Sugar, oil and metals are refined before use.
糖, 油和金属在使用前须先提炼.
《现代英汉综合大词典》
Most forms of steel abruptly become brittle at temperatures below about -25°C unless they are mixed with other metals.
2019年6月六级真题（第三套）阅读 Section ARather than adding other metals, they developed a complex mechanical process involving repeated heating and very severe mechanical deformation, known as temp-forming.
2019年6月六级真题（第三套）阅读 Section ASo scientists have strived to find a solution by mixing it with expensive metals such as nickel.
2019年6月六级真题（第三套）阅读 Section AThis is partly driven by the rising price of raw materials and metals.
2019年6月六级真题（第二套）阅读 Section BTogether, the value of these metals is estimated to be about $52 billion.
2019年6月六级真题（第二套）阅读 Section BA Swiss study reported that while the weight of electronic goods represented by precious metals was relatively small in comParison to total waste, the concentration of gold and other precious metals was higher in so-called e-waste than in nature.
2015年高考英语江苏卷 阅读理解 阅读B 原文Consider again the cell-phone, and imagine the mines that produced those metals, the factories needed to make the box and packaging (包装) It came in.
2015年高考英语江苏卷 阅读理解 阅读B 原文Electronic devices contain valuable metals such as gold and silver.
2015年高考英语江苏卷 阅读理解 阅读B 原文Electronic wastes also contain many poisonous metals.
2015年高考英语江苏卷 阅读理解 阅读B 原文Even when the machines are recycled and the harmful metals removed, the recycling process often is carried out in poor countries, in practically uncontrolled ways which allow many poisonous substances to escape into the environment.
2015年高考英语江苏卷 阅读理解 阅读B 原文Natural minerals contain more precious metals.
2015年高考英语江苏卷 阅读理解 阅读B 选项The percentage of precious metals is heavy in e-waste.
2015年高考英语江苏卷 阅读理解 阅读B 选项