Length of pretection
[法] 保护期限
🧩 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
How's my grandson?
我的孙子怎样啦？
I know the boy whose father is a writer.
我知道那个男孩的父亲是作家。
That will be alright with us.
那就可以。