Th
[医] 钍(90号元素)
🗣️ 情景例句
Good morning, Mr. Zhou. Take a seat, please. What can I do for you?
早上好，周先生。请坐。有什么事吗？
They will miss him very much when he leaves home for the first time.
李明第一次离开家，他们会非常想念他的。
but the paper was wrapped round a drum which rotated slowly.
根但是纸是卷在慢慢旋转的圆筒上的。