stay still

• 静止不动

stay still的用法和样例：

例句

1. Yet a very little observation shows that the moon is not standing still.
   但是只稍微观察一会就知道月亮不是静止不动的。
2. The air was so still that there was hardly a ripple on the pond's surface.
   空气静止不动，池塘的水面上几乎看不到波纹。