Validity of treaties
[法] 条约的有效性, 条约效力
🧩 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. 条约；协定问题（treaty的复数）
🗣️ 情景例句
Your father's a wonderful doctor, Richard.
你父亲是个了不起的医生， Richard。
We were pleased to hear from your letter of 6 August that you were impressed with our selection of toys.
我们很高兴收到你方8月6日来函得知你方对我们的玩具非常感兴趣。
You know what I'm talking about.
我想你知道我在说什么。