Penteconter
（古希腊的）一种桨帆并用的战舰
🗣️ 情景例句
till you get to the end of the fence.
到栅栏的尽头。
The hardest thing to learn is to be a good loser.
最难学的一点是做一个输的起的人。
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。