Where does this definition of expand on come from?
This entry for expand on is sourced from Main Dictionary, one of the dictionaries and corpora merged into Lughet.
Is expand on a noun, verb, or something else?
In this entry, expand on 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.