Collision of ions
[电] 离子碰撞
🧩 词语组成解析
of
[əv]
prep. 关于;属于…的;由…制成;
aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气];
n. 离子（ion复数）
🗣️ 情景例句
That was fast.
而且又快。
Forgive me.
请原谅我。
it is not always safe by the time it reaches the tap.
等水到达龙头时就不一定总是安全的了。