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
we'll send you a letter of appointment and can sign a full distributor contract.
我们将给你们送上一份聘书，并签订一份总的销售合同。
Don't shout, man.
别吼嘛，老兄。
In five working days, if we ship by air.
如果空运的话，五个工作天内可以到。