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錬金術, れんきんじゅつ
1. alchemy
2. way of making money, moneymaker, money-spinner
tbd
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精通, せいつう
1. being well versed (in), being well acquainted (with), being familiar (with), having a thorough knowledge (of), being an authority (on)
2. (a boy's) first ejaculation, spermarche, semenarche
tbd
に
1. at (place, time), in, on, during
2. to (direction, state), toward, into
3. for (purpose)
4. because of (reason), for, with
5. by, from
6. as (i.e. in the role of)
7. per, in, for, a (e.g. "once a month")
8. and, in addition to
9. if, although
tbd