Postdoctoral
大学 Collegea. 博士后的
🗣️ 情景例句
A guarantor is responsible for the loan
担保人要对贷款负责
What channel are you watching now?
现在你在看哪个新闻？
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。