She had a difficult labor.
她处于阵痛期。
Difficult labor and its condition
难产及病情
His mother died of difficult labor.
他母亲死于难产。
The addition of difficult labor maternity leave 15 days.
难产得增加产假15天。
My mother gave birth to me with exceptionally difficult labor.
我得母亲生下了我，特别难产。
Observation of the Treatment of Difficult labor by Nitrous Oxide
笑气治疗难产临床观察
Child labor is notoriously difficult to measure or even to define.
童工数量向来难以估算, 甚至何为童工也难以界定。
Freeman says labor had a difficult time organizing those industries.
弗里曼说，劳工团体当年在这些产业组织工会很不容易。
Heavy Proton in the acquisition of the Hummer into a difficult labor.
腾中重工收购悍马一事陷入难产。
Needless to say, it's difficult to do manual labor on an empty stomach.
不用说，空着肚子劳动是很难的。
Diagnosis and treatment of difficult labor and other complication in zebra
斑马难产及并发症的诊治
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