re‧gis‧tra‧tion S3 AC / redʒəstreɪʃ ə n, redʒɪstreɪʃ ə n / 名词
1 [不可数名词] the act of recording names and details on an official list
registration of
the registration of motor vehicles
Student registration (= for a course of study ) starts the first week in September.
The registration fee is $75.
2 [可数名词] American English an official piece of paper containing details about a motor vehicle and the name of its owner :
May I see your license and registration , ma’am?