牛儿们悠闲地吃着草。

The cows are ___grazing peacefully.

他整天都在办公室里随便吃点零食，而不是正经吃午饭。

He spends the whole day ___grazing on snacks at the office instead of having a proper lunch.

树枝轻轻擦过我的肩膀，留下了一道浅浅的划痕。

The branch ___grazed my shoulder, leaving a faint scratch.