vt.

1. 用粘土（或沙子等）填塞（装有炸药的洞口）
2. 捣实（泥土）；砸紧；敲紧
   Before he began his tirades, he tamped the tobacco in his pipe.

   在他发表长篇大论之前，他先将他烟斗里的烟丝捣紧。

v.

1. pack (a blast hole) full of clay or sand to concentrate the force of the explosion.
2. firmly ram or pack (a substance) down or into something.