Radiolabel
vt.[化]用放射性同位素给…示踪或做标记
🗣️ 情景例句
Front... knees up, knees up.
前踢， 膝盖抬高。
How can you be so stubborn?
怎么那么死脑筋？
At the time of his death, one person praised him as follows: Future generations, it may be, will hardly believe that such a person as this walked upon this earth.
未来的几代人有可能难以相信，在这个世间曾经有这样的一个人行走过。"