Radiothorium (rdth)
[化] 射钍; RdTh
🧩 词语组成解析
n. [化] 放射性钍
🗣️ 情景例句
Karaoke isn't really a performing art.
卡拉 OK 不算是真正的表演艺术。
How long will you be away?
你将离开多久？
We're having a lot of trouble filling this order.
我们这次供货很有问题。