Domain of validity
[计] 有效域, 有效范围
🧩 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
Would you like a cocktail before dinner?
你要在饭前来杯鸡尾酒吗？
I would like to cancel the reserved seat.
我要取消已预定的位置。
A week later, the editor at last received a fax from the journalist.
一周之后，编辑终于接到记者的传真。