Radiothorium (rdth)
[化] 射钍; RdTh
🧩 词语组成解析
n. [化] 放射性钍
🗣️ 情景例句
I wish I could go there with you, Grandpa.
我真希望我能够跟你一起去， 爷爷。
To fly
飞
It took a very long time to carve a page for a book.
刻一页书要花费的时间太长。