Radiosynthesis
放射合成
🗣️ 情景例句
Let's go for lunch. I'm buying.
去吃午饭吧， 我请客。
I would like to cancel the reserved seat.
我要取消已预定的位置。
Is this the man that you served, Caroline?
卡罗琳，这就是你接待过的那个人吗？