phone box       
noun [ C ] UK uk/ˈfəʊn ˌbɒks/ us/ˈfoʊn ˌbɑːks/ (formal telephone box)
 公用电话亭
a small structure with a door, found outside in public places, containing a public phone
 Compare: phone booth
 - More examples
 - Phone boxes are so rarely used now that everyone seems to have a mobile.
 - I couldn't find a phone box.