Thorides
[化] 钍系元素
🗣️ 情景例句
Bon Voyage!
旅途愉快！
You cannot clap with one hand.
孤掌难鸣。
If so, look out for books, articles or magazines about them.
如果有，你就该找一些有关的书籍、文章或杂志来读。