Unit train
为某货运单位专编的循环直达列车
🧩 词语组成解析
unit
['ju:nit]
n. 单位，单元;装置;个体;[数]单位数;
🗣️ 情景例句
Yes. I have one question about clause 8.
看完了。关于第八条款，我有个疑问。
If two men ride on a horse, one must ride behind.
两人同骑一马，必有一人在后。
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。