Voltage of alternating current
[化] 交流电压
🧩 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];
a. 交互的\\n[医] 交替的
🗣️ 情景例句
What's your major?
你主修什么专业？
The problem is far from easy.
这问题绝非易事。
Jim, could you help me, please? I want to get some books.
吉姆，你能帮我一下吗？我想拿些书。