Radiochemical
a. [化] 放射化学的\\nn. 已含放射性同位素的化学物质
🗣️ 情景例句
I can't put my finger on what exactly makes a written piece a classic.
我不知道什么使一篇著作成为经典。
How much is the electricity bill a month?
每个月电费要多少钱？
No, I'm sure it's not.
是的，我确信不如。