Ethinyloestradiol
乙炔雌二醇
🗣️ 情景例句
When will you be able to deliver?
您什么时候可以交货？
What would you like to eat?
你想吃什么？
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。