Tetraphidaceae
四齿藓科
🗣️ 情景例句
Please go over it and see if everything is in order.
请再过目一下，看看是否都符合规定。
Mr. Smith is a politician.He's running for election as governor.
史密斯先生是竞选州长的一名政治家。
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。