| 释义 |
rare-element 英'reər'elɪmənt美'reər'elɪmənt
基本例句
稀土元素¹⁰⁰
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。 |