1.Beryllium : Chemical element , lightest of the alkaline earth metals, chemical symbol Be, atomic number 4. 铍: 碱土金属中最轻的化学元素, 化学符号Be, 原子序数为4. 来自互联网 2.Toxicity problem in manufacturing and storage might be alleviated by coating beryllium with aluminum. 但如果用铝包覆铍,则可避免加工过程中及储存期间的中毒问题. 来自辞典例句 |