I'll call you on Friday to see if we can reschedule our luncheon meeting at your convenience.
我星期五会给你打电话,在你方便的时间重新安装我们的午餐约会。
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。