Principle of retroactivity
[法] 溯及既往原则
🧩 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. 追溯既往\\n[法] 溯及既往, 追溯效力
🗣️ 情景例句
Sounds good. I'll be there at 7.
很好。我7点会到。
One cannot make a silk purse out of a sow's ear.
朽木不可雕。
He is now satisfied merely to try to stand up, but as soon as he does so a porpoise knocks him flat.
此时的海龟，只要能站起来就满足了，但它刚站起来，就被一只海豚击倒。