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1. Oxford American Dictionary

   relaxin

   • IPA[rəˈlaks(ə)n]

   美式

   • n.
     a hormone secreted by the placenta that causes the cervix to dilate and prepares the uterus for the action of oxytocin during labor.

   • noun: relaxin

2. • 更多解釋

   relaxin

   • IPA[rɪˈlaksɪn]

   英式

   • n.
     a hormone secreted by the placenta that causes the cervix to dilate and prepares the uterus for ...

   Oxford Dictionary