Mesothoriumii
[化] 新钍II; 228Ac
🗣️ 情景例句
That's it--show.
就是它 ，show。 ?
I have a dream.
我有一个梦想。
The young man did not wake up until the bed had struck the ground.
那年轻人直到床撞到地上才醒了过来。