Constant quantity
恒量，常数
🧩 词语组成解析
🗣️ 情景例句
Studying is a big boring, but it sure beats the unemployment queues.
学习是有点枯燥，但比起失业来好多了。
To ensure faster delivery, you are asked to forward the order by air freight.
为了确保迅速交货，我方要求此订货用空运。
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。