Pernerograptus
普笔石属
🗣️ 情景例句
After the marathon, most of the competitors looked all in.
跑完马拉松，大多数参加比赛的人显得疲劳不堪。
Skeleton
骸骨
which is, in fact, much more complicated.
地震波的运动实际比这要复杂得多。