Picnics
n. 郊游, 野餐( picnic的复数形式 )\\nv. 去郊游, 去野餐( picnic的第三人称单数 )
🗣️ 情景例句
Nice day, isn't it?
天儿真不错，你说呢？
I can't believe it.
我简直不敢相信。
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。