Retroactivity
n. 追溯既往\\n[法] 溯及既往, 追溯效力
🗣️ 情景例句
I just don't know what to say.
我真不知该说什么好。
High-heeled shoes
高跟鞋
By the time you read this, the Hubble's eagle eye will have sent us thousands and thousands of wonderful pictures.
等到你读到这篇文章时，敏锐的哈勃望远镜已经为我们送来了成千上万张精彩的照片。