scrub

n. 用力擦洗,矮树,渺小之物
v. 用力擦洗

Although she scrubbed the old pot thoroughly, she could not make it look completely clean.

虽然她彻底地用力擦洗那只旧壶，但她无法把它完全洗干净。

Give that floor a good hard scrub.

使劲擦洗一下那地板。