Trading was important, as so many raw materials, the semiprecious stones for the decoration of the temples, timbers for roofs, and all metals, had to be imported.

由于大量原材料，如用于装饰庙宇的半宝石石料、建造屋顶的木材和所有金属都需要进口，贸易变得至关重要。

youdao

All metals can conduct electricity.

所有的金属都能导电。

youdao

Silver is the best conductor of all metals.

在所有金属中银是最佳导体。

youdao

All the people were asked about their use of pesticides, chemical fluids and metals like iron.

VOA: special.2009.04.07

All the components that make up the coffee, and all the impurities, etcetera. cadmium, heavy metals, arsenic, whatever is in your coffee.

以及所有的杂质等等，钙，重金，砷，任何在你咖啡里的东西。

麻省理工公开课 - 热力学与动力学课程节选

I'm interested in nonaqueous electrochemistry, so molten salts and polymers, the applied research. First of all, interested in environmentally sound technologies for extraction, refining, recycling of metals.

我对非水溶剂电化学感兴趣，还有熔盐和聚合物，以及应用性研究，首先，对环保型技术提取感兴趣,如金属的提取和精炼，以及循环回收。

麻省理工公开课 - 固态化学导论课程节选

There are two good reasons to boost efforts to recycle all metals, not just rare earths.

FORBES: INTERVIEW: Recycling Of Specialty Metals Needs Improvement - Yale Researcher

Aside from economics, several other factors are restraining recycling efforts for all metals, not just specialty metals, she said.

FORBES: INTERVIEW: Recycling Of Specialty Metals Needs Improvement - Yale Researcher

The conclusion seems to be that almost all metals will have an impressive year, but that the sure investment will be the first half of 2011.

FORBES: Watch Out In Iron Ore, Coal, Copper When Easy Money Policies Are Done, Says Rio Tinto