Palaechinoida
古海胆目
🗣️ 情景例句
Now, let me explain one point to you.
现在，让我就这一点进行说明。
Oh! Look who's coming?
哟！看看是谁来啦？
It is recounted of Thomas Carly1e that when he heard of the illness of his friend,
他听说朋友病了，