Quantity of electricity
[电] 电量
🧩 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
Richard, did you go to the Davis Aerobics class today? Richard
你去上Davis有氧运动健身课了吗？
How many gallons are you going to take?
你要拿几加仑？
Of course, many pictures are not 'about' anything.
当然，有很多画是什么“意思”也没有的。