你可能会把成键的过程想象成拔河。

You've probably imagined bonding as a tug of war.

自卸汽车把成吨的砂石倒在了空地上.

The tip truck dumped tons of sand and stone on the ground.

他们把成袋的食物扔给我们，好像扔个一群狗一样。

They are throwing packets of food to us like we are dogs.