Radiolabelling
[化] 放射性标记
🗣️ 情景例句
She's through with her new boyfriend.
她跟新交的男朋友吹啦。
No man learns but by pain or shame.
不经痛苦羞辱，难以取得教训。
Last Christmas, the circus owner, Jimmy Gates,
去年圣诞节，马戏团老板吉米。