Milliatom
毫克原子(量)
🗣️ 情景例句
I continued to teach piano lessons at home.
我继续在家教钢琴。
We're having a little get-together Friday night.
周五晚上我们有个小派对。
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