Mcandrews
[人名] 麦克安德鲁斯
🗣️ 情景例句
I understand
听说，
No, I'm a single son.
没有，我是独生子。
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。