Clide
放射性核素浓度
🗣️ 情景例句
Yes. It's the anniversary of one of our important revolutionary movements.
是的。它是中国一个重大革命运动的纪念日。
Let's talk over coffee.
我们边喝边谈。
I tried to make conversation.
我试图找个话题和她聊聊。