ovum [ˈoʊvəm]

例句:

• Once the ovum is released it has a lifespan of 12 to 36 hours.
  卵子排出后可存活12至36小时。
  
• By day 11 the ovum begins to attach and implant in the lining of the uterus.
  到第11天卵子着床嵌入子宫内壁.
  
• One pc of germ cell approaches to a ovum quietly at first.
  一个精子一马当先悄悄接近卵子.
  
• While most of the genetic coding of the embryo would come from the mammoth, some would come from the elephant ovum.
  来自BBC
• Steven Hartley, an analyst with research firm Ovum, thinks it is most likely that Google will use the city as a test-bed.
  来自BBC
• "Users don't want more advertising or tracking, and Facebook wants to do more of both,"said Jan Dawson, an analyst at Ovum.
  来自WSJ