Johns
n. 约翰斯（姓氏）
🗣️ 情景例句
I really mean it.
当然是真的。
Art is long, life is short.
艺术恒久，生命短暂。
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。