The best physicians are Dr. Diet, Dr. Quiet,and Dr. Merryman.
节食博士,静心博士,欢喜博士,三者都是最好的医师;饮食少,休息好,快乐多是却病延年之方。
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。