例句與造句

1. The final alcohol / water mix is put through traditional filtration with coal as well as an additional step of filtration through platinum enriched elements.
2. The most enriched elements are rubidium, strontium and barium, which between them account for over 50 percent by mass of all elements heavier than iron in the Earth's crust.
3. It's difficult to find enriched element in a sentence. 用enriched element造句挺難的