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
Sports help to develop healthy bodies.
运动可以锻炼健康的身体。
If Grade A is not available, Grade B will do.
如果一等品无货，二等品也可以。
George showed me to the guestroom which, he said, was rarely used.
乔治把我领进客房，说这间很少使用。