exchange

/ɪksˈʧeɪnʤ/

chemical process in which one atom or ion or group changes places with another

中文释义：交换；置换

In an ion exchange process, calcium ions are replaced by sodium ions.

在离子交换过程中，钙离子被钠离子取代。

The exchange of electrons between atoms forms chemical bonds.

原子之间的电子交换形成化学键。