Heldman
[人名] 赫尔德曼
🗣️ 情景例句
I'm heading off for bed
我先去睡觉了
It seems what he said is true.
看起来他说的好像是真的。
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。