Collins Russian Dictionary 2nd Edition © HarperCollins Publishers 2000, 1997:
study [ˈstʌdɪ] n (activity) учёба; (room) кабине́т
vt (learn about, examine) изуча́ть (изучи́ть*perf)
vi учи́ться*(perf)
studies
npl (subjects studied) ку́рсы pl
to make a study of sth иссле́довать (impf/perf) что-н
to study for one's exams гото́виться*(impf) к экза́менам
* is used to mark translations which have irregular inflections. The Russian-English side of the dictionary gives inflectional information.
Русский: