🧩 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];
n. 马尔他
🗣️ 情景例句
Have you been waiting for me for a long time?
你已经等我很久了吗？
Is the source of the information reliable?
那个消息的来源可靠吗？
It's about 400 yards from here.
离这儿大约有400码。