ventral [ˈvɛntrəl]

例句:

• The ventral nerve cord is covered externally by a peritoneum.
  腹神经线外被以腹膜.
  
• a fish's ventral fin
  鱼的腹鳍
  
• Its sucking mouth was in a terminal rather than a ventral position.
  它的吸嘴位于末端,而不在腹部.
  
• These regions include the ventral tegmental area, substantia nigra and the striatum.
  来自SA
• Most have black ventral scopae which are difficult to notice unless laden with pollen.
  来自BBC
• Bodies elongate-cylindrical and black overall; ventral surfaces may be covered with yellow setae.
  来自BBC