硒和铝在生物中含量其微.Selenium and aluminum are found in vanishingly small concentrations within living things.除了硒和汽相沉积的锗和硅之外, 玻璃至少是二原子的.Apart from selenium and vapour - deposited germanium and silicon, glasses are at least diatom...

“硒”的拼音为：xī...

“硒”的英语可以翻译为：[医] Se，selenium ...