Unstayed
未固定的, 未加固的, 无支撑的
🗣️ 情景例句
Excuse me, but may I ask how old you are?
对不起， 我能问一下你多大了吗？
Why tell you?
没必要对你说。
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