Where does this definition of air curtain come from?
This entry for air curtain is sourced from Main Dictionary, one of the dictionaries and corpora merged into Lughet.
Does air curtain appear elsewhere on Lughet?
Yes — air curtain appears under other sources or language pairs in Lughet's collection. See the list below.
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.
