Polycarpic
多次结果的
🗣️ 情景例句
She took a medical course.
她选读医学课程。
Every day is not Sunday.
好景不常在，好花不常开。
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。