How to say the teacher explained the new lesson at length to the students. in Japanese
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先生先生(sensei) (ok) teacher/master/doctor/ with names of teachers, etc. as an honorific/ previous existenceはは(ha) (int) indicating a subject/yes/indeed/well/ha!/what?/huh?/sigh新し新し(atarashi) (adj) newいい(i) (prt) strengthens a question, assertion, etc.課課(ka) (n,n-suf) lesson/section/division/department/counter for lessons and chaptersをを(wo) (prt) indicates direct object of action/indicates subject of causative expression/indicates an area traversed/indicates time over which action takes place/indicates point of departure or separation of action/indicates object of desire, like, hate,詳しく詳しく(kuwashiku) (adv) in detail/fully/minutely/at length生徒生徒(seito) (n,adj-no) pupilにに(ni) (prt) indicates such things as location of person or thing, location of short-term action, etc.説明し説明し(setsumeishi) (n,vs) explanation/expositionたた(ta) (aux-v) indicate past completed or action/indicates light imperative。。(。) Japanese period "."
