Where does this definition of sponge up come from?
This entry for sponge up is sourced from Main Dictionary, one of the dictionaries and corpora merged into Lughet.
Is sponge up a noun, verb, or something else?
In this entry, sponge up is tagged as 2v..
What is Lughet?
Lughet is a free trilingual dictionary covering nearly five million entries across Uyghur, Chinese, and English, drawn from more than ten source dictionaries and corpora.