?? 詞語組成解析
of
[?v]
prep. 關于;屬于…的;由…制成;
aux. 助動詞 [非標準用語、方言] =have [主用于虛擬語氣];
sierra
[[si'er?]]
n. 呈齒狀起伏的山脈
[經] 里昂
??? 情景例句
I am sorry. I am not free right now.
對不起,我現在很忙。
We need more staff in the office.
我們辦公室需要增加人手。
It's not as cold as it was yesterday.
今天不想昨天那么冷。