Thorocene
双环辛四烯合钍
🗣️ 情景例句
It's Zhao, Z-H-A-O.
姓赵，Z-H-A-O。
On the first day of the new year.
新年的第一天。
No one can plead ignorance of a subject any longer, for these are countless do-it-yourself publications.
由于出版了不计其数的教人自己动手做事的书报杂志，没有人再能说对某事一无所知。