Diradical
[医]双自由基, 双游离基
🗣️ 情景例句
Let's go out clubbing ater the mid-term exams.
期中考试以后我们一起上酒吧。
The doctor advised me to get plenty of exercise.
医生劝我要多运动。
Do you have an appointment?
您约好了吗？