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
What a day!
今天好忙！
Do not give a dog bread every time he wags his tail.
不要有求必应。
They're both fine,too. What about your family?
他们也都很好。你的家人好吗？