孩子们在沙滩上挖来挖去，寻找贝壳。

The kids were ___grubbing in the sand for seashells.

她在餐厅后厨辛苦刷盘子好几年才攒够学费。

She spent years ___grubbing in the restaurant kitchen scrubbing dishes to save up for tuition.

那群饿坏了的男孩狼吞虎咽地吃完了整盘汉堡。

The hungry boys ___gobbled down the whole plate of burgers.