Mesothoriumi
[化] 新钍I; 228Ra
🗣️ 情景例句
If I had a child as cute as Max,
假如我有一个像Max这样可爱的孩子，
Out of debt, out of danger.
无债一身轻。
Excuse me! Are you from the USA?
对不起，你是美国人吗？