🗣️ 情景例句
I know it!
我知道！
We have thirty minutes to kill.
我们有三十分钟空闲时间。
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。