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
You two belong on stage! That was wonderful!
你们俩简直是职业演员！ 读得太棒了！
What a mess!
乱七八糟。
I' d like to study medicine and become a doctor.
我想学医，当个医生。