Jucerne
紫苜蓿
🗣️ 情景例句
I expect that I will be back on Sunday.
我预计星期日回来。
He can only speculate as to which horse will win the race.
他只能推测那一匹在赛马中会获胜。
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。