registration number
noun🔊/ˌredʒɪˈstreɪʃn nʌmbə(r)/
🔊/ˌredʒɪˈstreɪʃn nʌmbər/
(also registration)
(both British English) (North American English license (plate) number)
the series of letters and numbers that are shown on a number plate at the front and back of a vehicle to identify it 车辆的登记号码;牌照号码 I gave the registration number of the car to the police. 我把该车的车牌号告诉了警察。
Oxford Collocations DictionaryRegistration number is used after these nouns:- vehicle