A priori limitation
[法] 预定限制
🧩 词语组成解析
a. 先验的；优先的（等于a priori）
🗣️ 情景例句
My vacation was too short, I needed more time.
假期太短了，再有几天就好了。
What's the round-trip fare?
来回票价多少？
The second marks the arrival of transverse vibrations which travel more slowly and arrive several minutes after the first.
然后记录下的是横向波的到达，横向波比纵向波传播得慢，在纵向波到达几分钟后才能到达。