投入 [ㄊㄡˊ ㄖㄨˋ; tou2 ru4]
  to throw into
  to put into
  to throw oneself into
  to participate in
  to invest in
  absorbed
  engrossed
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  投入
  とうにゅう
  noun (common) (futsuumeishi)
  noun or participle which takes the aux. verb suru
  throwing into
  inserting
  depositing
  investment
  putting in (personnel, etc.)
  release of a product
  making (an electrical circuit)
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