Fluorosensor
氟传感器
🗣️ 情景例句
Don't you know it!
你说得没错。
Why did't you tell me?
为什么你不告诉我？
Meanwhile, a number of university students have volunteered to drive buses while the strike lasts.
与此同时，有一部分大学生自愿在罢工期间驾驶公共汽车。