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's stepped out of the office for a little while.
他离开办公室刚一会儿。
Morning, How are you?
早，你好吗？
Half a pound of coffee.A quarter of pound of tea.And a tin of tobacco.
半磅咖啡、1/4 磅茶叶和一听烟丝。