Zeneca
泽尼卡
🗣️ 情景例句
What about a cup of tea?
喝杯茶如何？
It's nothing. Don't mention it.
区区小事，何足挂齿。
If we could actually see the path described by a particle,such as a sand grain in the rock,
假如我们真能看到的运动轨迹，诸如岩石中一个沙粒分子