noun, noun or participle which takes 'suru', intransitive verb
well-versed; thoroughly knowledgeable; expert
Describes deep familiarity or expertise in a subject. Often used as 精通している or 精通する.
彼は日本の歴史に精通している。
He is well-versed in Japanese history.
この分野に精
We are looking for an expert who is thoroughly knowledgeable in this field.
noun, noun or participle which takes 'suru', intransitive verb
first ejaculation; spermarche; semenarche
Medical/biological term for a boy's first ejaculation. Not used in casual conversation; typically encountered in health or educational contexts.
精通は男子の第二次性徴の一つである。
Spermarche is one of the secondary sexual characteristics in boys.