1. Metals expand with heat.
   金属遇热膨胀。
2. malleable metals such as gold;
   如金等可延展性金属；
3. Metals contract in cold weather.
   金属遇冷天气收缩。
4. Metals are eroded by acids.
   金属易为酸所腐蚀。
5. Not all metals work easily.
   不是所有的金属都容易加工
6. Some metals conduct heat.
   某些金属导热
7. elements are usually classified as metals or non-metals (see chapter 11).
   元素一般分为金属和非金属（见第11章）。
8. the component of metals that causes their congelation.
   金属中使其凝固的成分。
9. the metals had been freighted from the city.
   这些金属已经从这个城市运走。
10. Francium is the densest of the Alkali Metals and also radioactive.
    钫是碱金属中密度最大的,具有放射性。
11. Certain metals are attracted to a magnet.
    某些金属受磁石的吸引。
12. How do acids react on metals?
    酸对金属会起什么样的化学反应?
13. 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。
14. fusion of metals in an alloy; the difficult fusion of conflicting factions.
    金属熔化为合金；有利益冲突的派别很难融合
15. elements are usually classified as metals or non-metals.
    化学元素通常归为金属元素或非金属元素。
16. plants and micro-organisms can concentrate metals from the environment.
    植物和微生物能从外界环境中浓缩金属。
17. prices of metals such as aluminium and copper have rallied.
    铝和铜等金属价格已复涨。
18. Sugar, oil and metals are refined before use.
    糖, 油和金属在使用前须先提炼。
19. This review summaries the application of ion exchangers in the separation and determination of alkali metals, alkali-earth metals, noble metals, rare earth elements and actinoid.
    离子交换剂在萃取色谱中得到了广泛的应用，本文详细总结了离子交换剂在分析化学中用于碱金属、碱土金属、贵金属、稀土元素、锕系元素等的分离与测定。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。
20. Its properties also provide rust protection for steel surfaces and other oxidizable metals.
    其性质也针对铁及其他易氧化金属表面提供防锈保护。
21. 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”。
22. It also serves and a rust protection coating on steel and other oxidizable metals.
    也可用于钢铁和其他易氧化金属表面作为防锈涂料。
23. Certain metals are attracted to a magnet.
    某些金属受磁石的吸引。
24. Sugar, oil and metals are refined before use.
    糖, 油和金属在使用前须先提炼。
25. Gold and silver are tractable metals.
    金和银是容易加工的金属。
26. The natives used to hammer the metal into arrowheads, using heavy stones.
    土著人以前总是用沉重的石头把这种金属锤打成箭头。
27. Of scuds metals conduct heat most quickly. They are the best heat conductors.
    在所有的固体中金属传热最快，它们是最好的导热体。
28. All renascent oxygen is consumed for oxidizing metal anode to form metal oxide film.
    当形成足够厚的氧化膜后， 阳极的氧化速度减慢， 阳极表面才析出氧气。
29. Copper is a highly conductive metal.
    铜是极易导（电、热）的金属。
30. How do acids react on metals?
    酸对金属会起什么样的化学反应?
31. He hands a metal disc to me.
    他把一个金属圆盘给我。
32. Metal is a good conductor of electricity.
    金属是很好的导电体。
33. The acid has eaten through the metal.
    酸把这块金属腐蚀穿了。
34. The blacksmith is hammering the red-hot metal.
    铁匠正在锤烧红的铁。
35. This metal net filters out the dirt.
    这个金属网滤掉污物。
36. This workshop melts down the metal scrap.
    这个车间熔化废金属。
37. A worker put metal bands around the safe.
    一名工人用金属箍箍那保险箱。
38. Molten metal ran out on to the flagstones.
    熔化的金属溢流到外面的石板上。

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