plus ion的用法和樣例：
例句
- If one or more electrons are removed, the remaining positively charged structure is called a positive ion.
如果移去一個(gè)或多個(gè)電子，剩下來(lái)帶正電荷的結構就稱(chēng)為正離子。 - The experimentally measured temperature dependence of retrograde velocity of vacuum arcs can be explained by the ion jet model for retrograde motion of vacuum arcs.
實(shí)驗測得的后退速度的溫度關(guān)系可用真空電弧后退運動(dòng)的正離子噴流模型加以解釋。
