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
Keep smiling! things will calm down.
乐观一点，事情会平息下来的。
Where do you go to school?
你在哪里上学？
Excuse me. Is there a post office near here?
请问，附近有邮局吗？