Gimmal
n. 双连环
🗣️ 情景例句
It sounded like a dog barking right here.
好像有只狗就在这儿叫。
I've got it!
我接住了！
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。