Density of magnetic flux
[电] 磁通密度
🧩 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];
🗣️ 情景例句
There's a time for everything.
事情要一件一件地做。
Dreams go by contraries.
梦想总与现实相反。
I arrived in London at last.
我终于到了伦敦。