rare-element

基本解释

• 稀土元素

同根派生

英汉例句

• The color of Apatite is often due to the presence of rare earth elements.
  磷灰石的颜色常取决于存在的稀土元素。
• The extent of beneficial effect of each element considerably depended on its affinity for oxygen.
  各合金优良的抗氧化性与稀土元素对氧的亲和力密切相关。