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
How is everyone in your family?
全家都好吗？
A crow is never the whiter for washing herself often.
乌鸦不管怎样经常洗澡，也不会变白。
She must be at least thirty-five years old.
她至少也有35岁了。