🧩 词语组成解析
[医] 桦属
🗣️ 情景例句
So that's it.
原来是这件事。
How many are there in your family?
在你的家庭有多少人？
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。