🧩 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. 卢森堡公国；卢森堡（卢森堡公国首都）
🗣️ 情景例句
We usually accept payment by irrevocable L C payable against shiping documents.
我们一般用不可撤销信用证，凭装运单据结汇付款方式。
A true friend is known in the day of adversity.
疾风知劲草，患难知友情。
Last Wednesday, I went for a walk in the woods.
上星期三我到树林里去散步。