untack

例句：

1. 1.He untacked the heavy bag and set it on the table.
   他解开了沉重的袋子并将其放在桌子上。
2. 2.The horses were untacked and led out to pasture.
   马匹被解开并带出放牧场。
3. 3. She untacked the door and stepped inside.
   她解开门并将自己带入屋内。