Diffusion of ions
[电] 离子扩散
🧩 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 makes you think you are qualified for this position?
是什么使你认为你有资格做这个职位？
All men cannot be first.
不可能人人都得第一名。
I was being tested for a driving licence for the third time.
我第3次接受驾驶执照考试。