trolleybus
US /ˈtrɑː.li.bʌs/
UK /ˈtrɑː.li.bʌs/

1.
filobus, filobus
a bus powered by electricity obtained from overhead wires, to which it is connected by means of a trolley pole
:
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The city plans to expand its trolleybus network.
La città prevede di espandere la sua rete di filobus.
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Many European cities still use trolleybuses for public transport.
Molte città europee utilizzano ancora i filobus per il trasporto pubblico.