Radiolabel
vt.[化]用放射性同位素给…示踪或做标记
🗣️ 情景例句
Wow! I'm overwhelmed.
喔 我太感动了。
Do you usually play piano during the holidays?
你通常在假日期间弹钢琴吗？
Er, is it under that window?
是在窗户下面吗？