Ebbing
v. （指潮水）退( ebb的现在分词 ); 落; 减少; 衰落
🗣️ 情景例句
Yes, Tom sure knows how to throw a party.
是的，汤姆的确是搞派对的能手。
Stop thief!
住手，小偷！
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。