Serv.
[医] 保存
🗣️ 情景例句
The pictures you've taken are fabulous, Richard.
你拍的照片太精采了， Richard。
It took me an hour to walk there.
走到那里花了我一小时。
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。