Xanthator
黄原酸化装置
🗣️ 情景例句
Goodbye, hope to see you again.
再见， 希望再次见到你。
Beauty is but skin-deep.
红颜易变。
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。