Osteon
n. [医]骨单位(密质骨构造的基本单位)
🗣️ 情景例句
Young drivers are more likely to be involved in an accident.
年轻驾驶员更容易出事。
Stingy bastard!
小气鬼！
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。