Radiolabel
vt.[化]用放射性同位素给…示踪或做标记
🗣️ 情景例句
Number 1 train to Van Cortlandt Park. Thank you.
一路车到Van Cortlandt公园。谢谢。
Do you have an opinion?
你有意见吗？
At the time, this did not strike me as odd.
一开始，我并不感到奇怪，