1. She couldn't help the tears of rage rolling down her face.
   她愤怒的泪水禁不住滚落下来。
2. The stone rolled down the hill by gravity.
   石头在重力作用下向山下滚去。
3. Rolled down the sidewalk on their scooters.
   踏滑板沿人行道翻滚下来
4. A tear rolled down his cheek.
   一滴泪珠沿着他的面颊流下来.
5. Rocks and stones were rolling down the hillside.
   岩石和碎石沿着山坡滚下。

　1个动词解释