Could you take a monent to freshen up first? you don't want to go into the meeting smelling like that!
你可不可以先去清醒一会儿?你也不希望带着这样的一身气味去开会吧!
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。