child·birth /ˈʧaɪl(d)ˌbɚ/
  分娩
  child·birth /ˈʧaɪl(d)ˌbɝθ/ 名詞
  分娩,生產
  Child·birth n. The act of bringing forth a child; travail; labor.
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  childbirth
       n : the parturition process in human beings; having a baby; the
           process of giving birth to a child [syn: childbearing,
           accouchement, vaginal birth]