Radiograms
n. 无线电报；射线照相；[电讯] 收音电唱两用机；收音机
🗣️ 情景例句
It's OK, Harry.
没关系， Harry。
Where'd you get it?
你在哪里买的？
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。