vt. 登记, 使加入

vi. 参军, 注册

[ verb ]
register formally as a participant or member
<verb.social> enroll enter inscribe recruit
The party recruited many new members

Enroll \En*roll"\, v. t. [imp. & p. p. {Enrolled}; p. pr. & vb.
n. {Enrolling}.] [Pref. en- + roll: cf. F. enr[^o]ler; pref.
en- (L. in) + r[^o]le roll or register. See {Roll}, n.]
[Written also {enrol}.]
1. To insert in a roil; to register or enter in a list or
catalogue or on rolls of court; hence, to record; to
insert in records; to leave in writing; as, to enroll men
for service; to enroll a decree or a law; also,
reflexively, to enlist.

An unwritten law of common right, so engraven in the
hearts of our ancestors, and by them so constantly
enjoyed and claimed, as that it needed not
enrolling. --Milton.

All the citizen capable of bearing arms enrolled
themselves. --Prescott.

2. To envelop; to inwrap; to involve. [Obs.] --Spenser.