Mesothoriumi
[化] 新钍I; 228Ra
🗣️ 情景例句
Oh, let's go upstairs and prepare Grandpa's room.
对了，我们上去准备一下爷爷的房间。
Virtue is a jewel of great price.
美德是无价之宝。
and still cannot fathom the exact outline of the vision before them.
站在镜前，不能辨认出自身的真面目。