Knelled
v. 丧钟声( knell的过去式和过去分词 ); 某事物结束的象征
🗣️ 情景例句
Welcome.
欢迎你。
Nice to meet you, too.
认识你我也很高兴。
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。