Thorium dioxide
[机] 二氧化钍
🧩 词语组成解析
n. 钍\\n[化] 钍Th
🗣️ 情景例句
My watch stopped.
我的表停了。
What are you going to do?
你要做什么？
It sped downhill at the end of the race and its driver had a lot of trouble trying to stop it.
它在接近终点时，冲下了山坡，驾驶员费了好大劲才把车停下来。