🧩 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. 部落( tribe的复数形式 ); （动、植物的）族; （一）帮; 大群
🗣️ 情景例句
Stewart. S-t-e-w-a-r-t. Thank you.
Stewart， S t e w a r t。谢谢你。
What were you doing at about 4 o'clock yesterday afternoon?
你昨天下午在大约4点钟正在做什么？
The guards couldn't have been watchig very carefully.
警卫不可能一直认真地查看。