🧩 词语组成解析
n. 染料木属植物
🗣️ 情景例句
Do you have anything to snack on?
有什么可吃的吗？
How long did the movie last?
电影放了多久了？
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。