Lithagogue
驱石的, 驱石剂
🗣️ 情景例句
I hope he's good when we're away.
我希望我们不在的时候他很乖。
I'm feeling rather blue.
我觉得有些沮丧。
So the number of stars that we know exist is now estimated at about 300 million million million.
因此，我们所知道的现有恒星数目估计约有30亿×1000亿颗。