例句與造句

1. A simple and useful characterization of the outer electrons in an atom is the idea of valence .
   對原子外層電子的簡單而有用的描述是原子價的概念。
2. The vacant place is taken by one of the outer electrons which thus leaps from an outer to an inner "shell" .
   真空穴由一個從外“殼”躍至內(nèi)“殼”的外層電子來填充。
3. For the moment, we shall only be interested in the levels that arise from excitations of the outer electrons .
   就目前而言，我們將只對由外層電子的激發(fā)所形成的能級感興趣。
4. Its cathode ray tubes required large amounts of heat in order to boil out electrons , needed time to warm up , and often burned out
   它的陰極射線管要吸收大量的熱來激發(fā)電子，要耗費時間升溫，通常還會燃耗殆盡其本身。
5. It's difficult to find outer electron in a sentence. 用outer electron造句挺難的