Radiothorium
n. [化] 放射性钍
🗣️ 情景例句
The new plan needs you.
这项新计划需要你的协助。
Lend me your notes.
笔记借我抄。
There's no need for that. We'll have dinner another time.
不必为那件事惭愧。我们改个时间再共进晚餐吧。