Permeability of vacuum
[化] 真空磁导率
🧩 词语组成解析
n. 渗透性, 可透性, 磁导率\\n[化] 渗透性; 渗透率
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
He ventured upon an enterprise.
他大胆地开始了他的事业。
I asked him to lend me a book , but he wouldn't.
我请他把书借给我，但是他不肯。
Oh, and by the way, my wife wants to know if Mary needs any help.
喔，顺便问一问，我妻子想知道玛丽是否需要帮忙。