Scope of a variable
[电] 变量范围
🧩 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
When does the next train leave for New York?
到纽约的下一趟火车什么时候开车？
I've never read a more fascinating story.
我没有读过比这更令人着迷的故事。
I have a letter of introduction here.
我这儿有一封介绍信。