Human factors
人性因素
🧩 词语组成解析
n. 因素（factor的复数）
🗣️ 情景例句
It is special. Happy anniversary.
确实很特别。结婚周年快乐！
Save while you may, no morning sun lasts a whole day.
能节俭时就节俭，朝阳难照一整天。
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。